A normal population has a mean of $61 and standard deviation of $13. You select random samples of nine. What is the probability that a sample mean is between $57 and $64

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Answer 1

Based on the normal population mean and the standard deviation, the probability that a sample $57 and $64 is 0.5761.

How can the probability be found?

The probability that the mean is between $57 and $64 can be shown as:

P (57 < x < 64) = P ( ( lower limit - Upper limit) / Standard deviation / √ sample mean) < Z < P ( ( lower limit - Upper limit) / Standard deviation / √ sample mean)

Solving gives:

P (57 < x < 64) = P ( ( 57 - 61 ) / 13 / √ 9) < Z < ( ( 64 - 61 ) / 13 / √ 9)

= P( -0.92 < Z < 0.69)

Using the Z-table:

= P( Z < 0.69) - (P (Z < -0.92)

= 0.7549 - 0.1788

= 0.5761

In conclusion, the probability that a sample mean is between $64 and $57 is 0.5761.

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Related Questions

In order to get good results in relation to observing water pressure at fixtures, it is good inspection procedural practice to inspect the plumbing fixtures at the

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In order to get good results in relation to observing water pressure at fixtures, it is good inspection procedural practice to inspect the plumbing fixtures at the "pressure gauges"

What is plumbing fixtures?

Plumbing fixtures are the devices that can be linked with a plumbing system to deliver fluid or drain it.

It is common practice for these system to be fitted with a pressure gauges.

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Suppose that the required reserve ratio is 20%. If Saanvi deposits $4,000 in cash in her checking account, and her bank lends $1,000 to Freda, the money supply initially: increases by $4,100. increases by $1,000. remains the same. decreases by $4,000.

Answers

The fact that Saanvl deposits the $4,000, means that initially, the money supply remains the same.

What happened to the money supply after Saanvl's deposit?

After Saanvl deposited, the money was simply converted from cash to cash deposits at the bank.

Both of these things are considered to be a part of money supply so there is no change in money supply initially.

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Peter accumulated many photos from his visit to Wisconsin. He wants to upload these photos to a social networking site. Which file format is ideal to upload photos to websites

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The file format that is ideal to upload photos to websites is; JPEG

What is the file format to use?

When saving files as we are discussing in the question, there are many formats which are as follows;

1) JPEG: JPEG is an abbreviation for ' Joint Photographic Experts Group'. JPEG is a standard file format for compressing pictures so they can be stored or sent by email more easily. Thus, it is the most common format for images.

2) PDF; PDF is an abbreviation that stands for Portable Document Format. It is widely used for documents generally.

3) PSD: PSD is an abbreviation for Photoshop Document and is an image file format native to Adobe's popular Photoshop Application. It's an image editing friendly format that supports multiple image layers and various imaging options. PSD files are commonly used for containing high quality graphics data.

4) RAW; This is for saving it as a raw file.

Thus, we can conclude that the best file format for Peter to upload the pictures is JPEG Format.

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how did luffy get his 1.5 billion bounty

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I’m not sure, what did you ask?

kinematics of particles problems and solutions pdf

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The acceleration of the pendulum mass D is; r"_d =  [x''(t) + lθ'' cos θ - lθ'² sin θ]i - l[θ'' sin θ - θ'² cos θ]j

What is Kinematics of particles?

Kinematics is the study of the geometry of motion of particles, rigid bodies, etc., disregarding the forces associated with these motions. However, Kinematics of a particle is the motion of a point in space.

From the sample problem, we can solve it using the (x, y, z) coordinate system to get;

r_c = x(t) i

r_d = [x(t) + l sin θ]i + l cos θ j

Finding the first derivative of r_d gives velocity as;

r'_d =  [x'(t) + lθ' cos θ]i - lθ' sin θ j

Taking the second derivative of r_d gives the acceleration as;

r"_d =  [x''(t) + lθ'' cos θ - lθ'² sin θ]i - l[θ'' sin θ - θ'² cos θ]j

A sample problem of kinematics of particles is;

A block C slides along the horizontal rod, while a pendulum attached to the block can swing in the vertical plane. Find the acceleration of

the pendulum mass D.

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Drag the labels from the left to their correct locations in the concept map on the right. allele frequenices

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The labels are not found here but allele frequencies depend on the number of different gene variants in a given population.

What is an allele?

An allele is a given gene variant received from parents, which is found in a specific gene locus in a chromosome.

Allele frequency makes reference to the number of that a given gene variant or allele exhibits in a population or sample.

In conclusion, the labels are not found here but allele frequencies depend on the number of different gene variants in a given population.

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which skin finding during palpation of the extremities is concerning to the nurse performing an assessment on an older patient with congestive heart failure

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The skin finding that is concerning to the nurse in an older patient with heart failure during palpation of the extremities is marked dependent pitting edema.

What is pitting edema?

Pitting edema is a health problem associated with the excess fluid in some tissue of the body.

Pitting edema may lead to tissue inflammation and swelling, especially in the extremities (legs and/or feet).

In conclusion, the skin finding that is concerning to the nurse in an older patient with heart failure during palpation of the extremities is marked dependent pitting edema.

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Which of the following is a fundamental category of business intelligence (BI) analysis

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The option that is a fundamental category of business intelligence (BI) analysis is known as Data Mining.

What is BI analysis?

This form of analysis is known to be made up of the gathering, cleaning, organizing, etc., of the business data and its fundamental categories are:

ReportingData miningBigData

Hence, The option that is a fundamental category of business intelligence (BI) analysis is known as Data Mining.

See options below

A) Data acquisition

B) data mining

C) push publishing

D) pull publishing

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Assuming that everything else is equal, a U.S. government bond that matures 30 years from now most likely pays alower interest rate than a U.S. government bond that matures 10 years from now.

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Assuming that everything else is equal, a U.S. government bond that matures 30 years from now most likely pays a higher interest rate than a U.S. government bond that matures 10 years from now. This is further explained below.

What is the interest rate?

Generally, The Federal Reserve raised its benchmark interest rate by 0.75 percentage points on Wednesday, bringing the total to a range of 2.25 percent to 2.5 percent. This is the second straight rise in interest rates by the Federal Reserve. Chair Jerome Powell has indicated that there will come a time when the Fed would begin to pause rises in order to evaluate the effect of those hikes.

In conclusion, When all other factors are considered, a United States government bond with a maturity date that is 30 years in the future will almost certainly pay a greater interest rate than a United States government bond with a maturity date that is 10 years in the future.

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antimicrobial drugs Drag and drop the labels into the correct empty boxes to complete the concept map.

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The correct descriptions as shown in the attachment is as follows:

Antimicrobial drugs used for chemotherapy assigned a Therapeutic Index (TI) determined from the ratio of its toxicity to its minimum inhibitory concentration classified as narrow spectrum e.g. gram positive bacteria only or as broad spectrum which can lead to superinfection.Toxicity is reduced using drugs exhibiting high selective toxicity desired to protect host cells.

What are antimicrobial drugs?

Antimicrobial drugs are drugs which are used to in the treatment of microbial infections.

Antimicrobial drugs include antibacterial, antifungal, and antiviral drugs.

The correct descriptions as shown in the attachment is as follows:

Antimicrobial drugs used for chemotherapy assigned a Therapeutic Index (TI) determined from the ratio of its toxicity to its minimum inhibitory concentration classified as narrow spectrum e.g. gram positive bacteria only or as broad spectrum which can lead to superinfection.Toxicity is reduced using drugs exhibiting high selective toxicity desired to protect host cells.

In conclusion, antimicrobial drugs are used to treat microbial infections.

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A patient domiciled in State A sued a surgeon domiciled in State B in a federal court in State A, alleging claims for malpractice. The surgeon moved to dismiss the action for lack of personal jurisdiction. The court denied the motion and set discovery cutoff and trial dates.

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The court denied the motion and set discovery cutoff and trial dates. because there has not been a final judgment entered in the case. This is further explained below.

What is the case?

Generally, a specific case of a certain circumstance; is a happening that serves as an example of anything.

In conclusion, The request was refused, and trial dates and deadlines for discovery were established. In light of the lack of a definitive ruling in the matter.

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In what kind of study will you find a quasi-independent variable

Answers

Answer:

A quasi-independent variable applies to qualitative research where participants cannot be randomly assigned to a treatment or intervention.

Explanation:

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This excerpt exemplifies how Hemingway uses short sentences that are still loaded with meaning. contain very little more meaning. are purposefully difficult to understand. hold limited symbolic value.

Answers

This excerpt exemplifies how Hemingway uses short sentences that are A. still loaded with meaning.

What is a Sentence?

This refers to the use of words to communicate to another person that contains a subject and predicate.

Hence, we can see that from the complete text, there is the narration by Ernest Hemingway where Passini uses a monologue of short sentences to talk about defeat and death and these are still loaded with meaning.

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Answer: A

Explanation:

Expiratory movements are produced by contraction of the ________ muscle.

Answers

Expiratory movements are produced by the contraction of the internal intercostal muscle.

This is further explained below.

What are internal intercostals?

Generally, The rib cage is lowered by the internal intercostals, which causes air to be expelled from the lungs.

In conclusion, The contraction of the internal intercostal muscle results in the production of motions that are characteristic of expiration.

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Listed following are several objects in the solar system. Rank these objects from left to right based on their distance from the Sun, from closest to farthest.

Answers

The list is not found here but planets are ordered from closest to farthest to the Sun as Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.

What are the closest planets to the Sun?

The closest planets to the Sun are rocky planets, i.e., Mercury, Venus, Earth and Mars.

Conversely, the farthest planets to the Sun are gaseous planets, i.e., Jupiter, Saturn, Uranus, and Neptune.

In conclusion, the list is not found here but planets are ordered from closest to farthest to the Sun as Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.

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the accompanying graph depicts demand at point d demand is

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The accompanying graph depicts demand At point A, demand is: A)The accompanying graph depicts demand.

What did the graph depicts  at point A?

It depict the demands of goods at at that point.

The accompanying graph depicts demand At point A, demand is: A)The accompanying graph depicts demand.

CHECK THE COMPLETE QUESTION:

The accompanying graph depicts demand at point d demand:

A) unit elastic.

B) inelastic.

C) elastic.

D) perfectly elastic.

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Summarize the document flow, or steps, in a voucher system by placing the following actions in their correct order of occurrence.

Answers

The correct order of document flow in a voucher system is:

A purchase requisition is filled out and placed in voucher.A purchase order is completed and a copy is placed in voucher.A receiving report is completed when the order arrives and placed in voucher.The accounting department approves payment of the invoice and approval is placed in voucher.The cashier issues a check for the amount of the invoice.

How is a voucher system used to place an order?

The first step is the placement of a purchase requisition by a department in a voucher. The relevant purchase order is then filled out and then put in a voucher.

Once the purchase is done and the order arrives, there is a receiving report completed which allows the accounting department to pay for the order by first approving it and then passing it to the cashier.

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Using the terms/phrases provided, complete the information about ABO blood types concerning antigens, antibodies, and incompatible donor types.

Answers

Due to the presence of antigens and antibodies, blood can only be donated by compatible donor types.

What is the ABO blood group?

There are four main human types of blood group which are; A, AB, B and O.

- A person who has the blood group A has antigen a.

- A person who has blood group B has antigen b

-A person who has blood group AB has both antigens a and b

- A person who has blood group O has neither antigen a nor b

People who have blood group O are universal donors while people who have blood group AB are universal recipients. Due to the presence of antigens and antibodies, blood can only be donated by compatible donor types.

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which of the following is concerning for possible physical abuse

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The correct option is e, that is, a bruise on a 2-month-old infant and linear red marks on the cheek of a 4-year-old child show possible physical abuse.

What is physical abuse?

In simple words, any deliberate action that results in injury or hurt to another person is called physical abuse.

Thus, we can conclude that if a bruise is evident on a 2-month-old infant (option a), and linear red marks are evident on the cheek of a 4-year-old child (option b), then such sad observations suggest a case of physical abuse.

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Below are the missing options:

a) A bruise on a 2-month-old infant.

b) Linear red marks on the cheek of a 4-year-old child.

c) Shinbruisesona3-year-old child.

d) All of the above.

e) a and b

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You must direct all requests to cancel, withdraw, or terminate enrollment applications to the same location where the application was originally submitted or call the Member Services number on the member ID card.

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One need to direct all requests to cancel, withdraw, or terminate enrollment applications to the same location where the application was originally submitted or call the Member Services number on the member ID card is a true statement.

What is an enrollment form?

This is known to be a kind of an after school program application that tends to gathers information regarding the person from their parents and guardians who are said to be enrolling in an after school program.

Note that in the case above, One need to direct all requests to cancel, withdraw, or terminate enrollment applications to the same location where the application was originally submitted or call the Member Services number on the member ID card is a true statement.

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Reviewing an email you are about to send involves ______.

Answers

Reviewing an email you are about to send involves checking the spelling.

What does checking the spelling mean?

Checking the spelling means to revise the words you use to write an email or any other text.

Checking your spelling is fundamental to avoid confusion and thus slow the communication process.

In conclusion, reviewing an email you are about to send involves checking the spelling.

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Intratumoral delivery of an HPV vaccine elicits a broad anti-tumor immune response that translates into a potent anti-tumor effect in a preclinical murine HPV model

Answers

Cancer Immunol Immunotherapy; Intratumoral delivery of an HPV vaccine elicits a broad anti-tumor immune response that translates into a potent anti-tumor effect in a preclinical murine HPV model. This is further explained below.

What is Cancer Immunol Immunother?

Generally, Using a person's own immune system to combat cancer is called immunotherapy. In order for the immune system to locate and destroy cancer cells, immunotherapy may enhance or alter how the immune system functions.

In conclusion, the Intratumoral administration of an HPV vaccine induces a wide anti-tumor immune response that translates into a powerful anti-tumor impact in a preclinical mouse HPV model, according to research published in Cancer Immunol. Immunother.

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The fact that human aggression varies widely from culture to culture most strongly suggests that it is not

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The fact that human aggression varies widely from culture to culture most strongly suggests that it is not instinctive behavior.

What is instinctive behavior?

An instinctive behavior  can be regarded as the  action  that can be found in an organism  which is attributed to  performed by all members of their species.

Theses behaviors are  fixed action pattern (FAP)  which do take place  result of a specific stimulus.

It should be noted that Instinctive behaviors are innate abilities  which could be from birth onward and are not learned behaviors, hence, The fact that human aggression varies widely from culture to culture most strongly suggests that it is not instinctive behavior.

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Why should you have an Emergency Action Plan? (Select all that apply.)

Answers

External heat stroke may be fatal in a matter of seconds, and EAPs ensure that your employees know and practice what to do in the event of an emergency. This is further explained below.

What is Emergency Action Plan?

Generally, A specific set of OSHA regulations mandates the creation of a written document known as an emergency action plan (EAP).

In conclusion, EAPs ensure that every member of your team is aware of, and has practiced, what to do in the event of an emergency. Seconds may make the difference between life and death while suffering from external heat stroke.

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deep learning crop image different prediction

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Explanation:

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Which of the following BEST describes port aggregation

Answers

Switches helps in"

It does not record address or segment information. It does not forward the message.What is switches and its uses?

A switch is known to be a tool that is often used in a wired network to link up to other devices using what we call the Ethernet cables.

Note that The switch gives room for each connected device to be able to communicate to the others. and therefore, Switches helps in"

It does not record address or segment information. It does not forward the message.

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See full question below

A switch running STP is in the learning state. A message destined for a different network segment arrives at the switch. Which of the following best describes what the switch will do?

The definition of states: choosing among two or more alternatives.

Answers

The definition of Decision making means choosing among two or more alternatives.

What is decision making?

Decision making is the process someone make or select choice of action that he believes Is the best to follow. Decision making most times is use in conflict resolution and when there is need to make a choice. I'm conflict resolution, it help to make the right choice in order to bring about reconciliation and agreements between the individuals involved.

Therefore, The definition of Decision making means choosing among two or more alternatives, Thereby selecting a choice.

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Refer to Exhibit 1. The profit-maximizing single-price monopolist's maximum profit is

Answers

The profit-maximizing choice for the monopoly will be to produce at the quantity where marginal revenue is equal to marginal cost: that is, MR = MC.

What is Profit?

This refers to the gain that is made on an investment where there is a healthy return on investment.

A monopoly is a type of market structure that has one seller that deals on a unique product in the market, thus dominating it and having free access to price control.

In the area of economics, profit maximization is the short-run or long-run process that is used to find out the price and input-output levels that would enable them to accrue the highest gain over a period of time.

Hence, we can see that your question is incomplete because exhibit 1 is not shown, so a general overview is given.


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A sentence of 8 to 25 years is an example of a(n):

Answers

Answer:

Indeterminate sentence

Explanation:

Ray charles academic journell about childhood

Answers

Ray Charles academic journal about childhood  talk about some of the most traumatic things that have occurred in his childhood such as when he witnessed the drowning and death of his younger brother

What was Ray Charles childhood like?

His Early Life was that his father was said to be a mechanic, and his mother is known to be a sharecropper.

They were known to have moved to Greenville, Florida when he was just a little boy and there  his brother drown to death and shortly after Charles was said to slowly began to lose his eye sight.

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We are trying to estimate the variance, which we will now call .1. What is the conjugate family of prior distributions for a normal variance (not precision) when the mean is known?2. Suppose previous experience suggests that the expected value of is 12 and the variance of is 4. What parameter values are needed for the prior distribution to match these moments?""Suppose previous experience suggests that the expected value of is 12 and the variance of is 4. What parameter values are needed for the prior distribution to match these moments?3. What is the posterior distribution p(|y) for these data under the prior from the previous step?4. Find the posterior mean and variance of .5. 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