A genetic experiment involving peas yielded one sample of offspring consisting of 405 green peas and 138 yellow peas. Use a 0.05 significance level to test the claim that under the same circumstances, 27% of offsprinig peas will be yellow. Identify the null hypothesis, alterrnative hypothesis, test statistic, P-value, conclusion about the null hypothesis, and final conclusion that addresses the original claim. Use the P-value method and the normal distribution as an approximation to the binomial distribution.A) what are the hypotheses? alternative hypothesis?B) Identify the test statistict=?C) Identify the P-value___ (round to four decimal places as needed)D) Identify the critical value(s)The critical value(s) is (are)___(round to three decimal places as needed. Use a comma to seperate as needed)

Answers

Answer 1

A genetic experiment with peas resulted in 138 yellow and 405 green peas. The null hypothesis was rejected at the 0.05 level, concluding that the proportion of yellow peas is different from 27%. The test statistic was -1.7524  and the p-value was 0.0791. The critical values were -1.96 and 1.96.

The null hypothesis is that the proportion of yellow peas is equal to 0.27, and the alternative hypothesis is that the proportion of yellow peas is not equal to 0.27.

The test statistic is the z-score, which is calculated as z = (P - p) / √(p(1-p)/n), where P is the sample proportion, p is the hypothesized proportion, and n is the sample size.

The P-value for the two-tailed test is calculated as P(Z ≤ -z) + P(Z ≥ z), where z is the absolute value of the calculated z-score. Using a significance level of 0.05, the critical z-value is ±1.96.

The sample proportion of yellow peas is P = 138 / (405 + 138) ≈ 0.2543. The calculated z-score is z = (0.2543 - 0.27) / √(0.27 * 0.73 / 543) ≈ -1.7524. The P-value is P(Z ≤ -1.7524) + P(Z ≥ 1.7524) ≈ 0.0791.

The critical values for a two-tailed test with a significance level of 0.05 are ±1.96. Since the calculated z-score of -1.7524 is less than the critical value of -1.96, we fail to reject the null hypothesis.

Therefore, there is not enough evidence to conclude that the proportion of yellow peas is different from 0.27. The final conclusion is that the data do not support the claim that under the same circumstances, 27% of offspring peas will be yellow.

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Related Questions

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Della has $575.38 in her checking account. What is the balance after she makes a deposit of $50.00 and a withdrawal of $85.45?
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Answer:

A) 539.93

Step-by-step explanation:

575.38 + 50 - 85.45 = 539.93

Answer: A

$539.93

Step-by-step explanation:

Balance is $575.38 so add (+) $50 for her deposit and subtract (-) $85.45 to get the answer

Factor: k^2 + 7x + 10
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B:(k+2)(k+5)
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D:(k-2)(k-5)

Answers

Answer:

the answer is B. (k+2)(k+5)

Answer:

a

Step-by-step explanation:

The percent of change in the test scores was 12%. If the amount of change was 6 points, what was the original number of points?

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Answer:

Step-by-step explanation:

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one less than twice a number equals 9?

Answers

Answer:

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A light house worker is tracking a boat that is 5 km south of her. She is also tracking a boat
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A. 7 km
B. 9 km
C. 8 km
D. 16 kM

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Answer:

cccccccccccccccccccccccccccccc c

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Answer:

a

Step-by-step explanation:

Answer:

D

Step-by-step explanation:

No, because

the first function if you further calculate you have

y= 3(x +5) is y = 3x+15 ; since you have to distribute

the second function if you have to translate is y=3x+5 because if you read it out loud the equation now you will say y equals 3 times x plus 5 like was given

Kirk is getting a raise of 5% due to inflation. His normal salary is $56,000 per year. Which of the following calculations gives Kirk's new salary, in dollars? A. 56,000 +5 B. 56,000 + 56,000(0.05) C. 56,000 + 56,000(0.50) D. 56,000 + 56,000(5) E. 56,000(.05)

Answers

Answer:

The answer is B. 56,000 + 56,000(0.05) because 5% or expressed in decimals 0.05 multiplied by the quantity 56,000 gives us 5% of Kirk's normal salary and added to his normal salary will give us his new salary.

(His new salary is 58,800 and 5% of his normal salary is 2,800)

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Answers

Answer:

Correct!

Step-by-step explanation:

You did it the correct mathematical way, where you divide 4 by 30. Some people get confused and multiply 30 and 4, so good job!

Answer:

Step-by-step explanation: 4÷30=7.5 D = 7.5

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Answers

Answer:

A

Step-by-step explanation:

Multiply all the points by 2.

PRECIZATI COORDONATELE PUNCTELOR DIN FIGURA DE MAI JOS STIIND CA PUNCTUL 0 ESTE ORIGINEA AXEI NUMEREOR

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Answer:

gb! gxhkvjbuckkfkdjfjxlx?xlfkfjjmf la lfldkejnfnfmfkkfkf

What is the measure of Angles are not necessarily drawn to scale.

Answers

x is 58° (your welcome:)

Answer: 58

Step-by-step explanation:

180-114= 66

66+56=122

180-122= 58

One pipe can fill a tank three times as fast as another pipe. If together the two pipes can fill the tank in 36 minutes, how many minutes would it take the slower pipe to fill the tank by itself? Your answer

Answers

Answer: 144 minutes

Step-by-step explanation:

Based on the information that has been given in the question, the minutes that the slower pipe alone can use in filling the tank can be denoted by y minutes.

Therefore, the faster pipe will fill it in 1/3 × x = x/3 minutes.

Therefore,

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x = 36 × 4

x = 144

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Answers

d= -11 I don’t remember if you have to flip the inequality symbol or not but the answer is -11

A grocery store is offering a sale on bread and soup. Kacey buys four cans of soup and three loaves of bread for $12.35. Fernando buys eight cans of soup and one loaf of bread for $13.05.
a. Write equations for both Kacey’s and Fernando’s purchases.

Answers

Answer:

Kacey

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Fernando

8x+1y=13.05

1f (-2, y) lies on the graph of y = 3, then y =​

Answers

Answer:

y = 3

Step-by-step explanation:

the y-value of any ordered pair that lies on the line 'y = 3' will be equal to 3.

Find the length of the third side. If necessary, write in simplest radical form

Answers

Answer:

4^2 + 6^2 = x^2

Step-by-step explanation:

Pythagorean theorem is used. Solve for x.

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Answer:

Thanks for the points- but im a duma$s

Step-by-step explanation:

A rectangle is covered by 24 unit squares. There are no gaps or overlap.

How can the area of the rectangle be found?


The area of the rectangle is equal to the number of unit squares that cover the rectangle. The area of the rectangle is 24 square units.

The area of the rectangle is half the number of unit squares that cover the rectangle. The area of the rectangle is 12 square units.

The area of the rectangle is double the number of unit squares that cover the rectangle. The area of the rectangle is 48 square units.

Answers

Answer: Choice A

The area of the rectangle is equal to the number of unit squares that cover the rectangle. The area of the rectangle is 24 square units.

=====================================================

Explanation:

Imagine drawing equally spaced grid lines to subdivide the rectangle. This splits the rectangle into smaller squares. In this case, each little square is 1 square unit. Having 24 of these squares leads to a total area of 24 square units.

We could have 8 rows and 3 columns of these squares to get 8*3 = 24 total. Or we could have 6 rows and 4 columns to get 6*4 = 24. Another configuration is 12 rows and 2 columns which leads to 12*2 = 24.

The measures of the angles of a triangle are shown in the figure below.Solve for X.

Answers

Answer:

x=20

Step-by-step explanation:

76+44+3x=180

120+3x=180

-120      -120

3x=60

60/3=20

20(3)+120=180

Triangles add up to 180.

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Answers

x=27
have a good day:)

Answer:

x = 9

Step-by-step explanation:

5x * 135 = 180

180 - 135 = 45

5x = 45

5 ÷ 5 = 0

45 ÷ 5 = 9

X = 9

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Answer:

ur welcome

Step-by-step explanation:

Find the slope .
What does this mean?
Find the y intercept.
What does this mean?

Answers

slope = y2-y1 / x2-x1
intercept= y=mx+b
m(the slope) b( y-intercept)

Write the equation of the line in slope-intercept form that goes through the points (4, -2) and (8, -9)

Answers

Answer:

y = 17/6 x - 40/3

Step-by-step explanation:

Slope-intercept form: y = mx + b

First, let's find the slope:

slope formula: (y2-y1) divded by (x2-x1)

(4, -2) and (8, -9)

(-9 - 8) divded by (-2 - 4) = 17/6

We found m, now we have to find b.

The new equation: y = 17/6 x + b

Insert any of the two points, in this case, I'll insert (4, -2)

-2 = 17/6 (4) + b

-2 = 68/6 + b

b = -2 - 68/6

b = -40/3

Overall equation: y = 17/6 x - 40/3

y = -7/4 + 5

Steps are on paper.

The hypotenuse of a right angle triangle is 4 metres. If its other sides are equal find the length of each side.​

Answers

Answer:

[tex] \sqrt{8} [/tex]

or

[tex]2 \sqrt{2} [/tex]

Step-by-step explanation:

Since the legs are equal this is a 45-45-90 triangle.

The ratio of side length for a 45 45 90 triangle

[tex](1)(1)( \sqrt{2} )[/tex]

where 1 is the legs length and sqr root of 2 is the length of the hypotenuse.

Since we are trying to find the length of the legs side we can set up a proportion.

We know the hypotenuse is 4 so our proportion looks like

[tex] \frac{1}{x} = \frac{1}{x} = \frac{ \sqrt{2} }{4} [/tex]

Let see how far sqr root of 2 goes into 4.

[tex] \sqrt{2} \times x = 4[/tex]

[tex] \sqrt{2} \times x = \sqrt{16} [/tex]

[tex]x = \sqrt{8} [/tex]

so that means the answer for the legs length is

[tex] \sqrt{8} [/tex]

or

[tex]2 \sqrt{2} [/tex]

Answer:

Step-by-step explanation:

hello :

use  phtagor - rule:  let  x  the length of each side

x² +x² =4²

2x² =16

x² = 8  

x = √8

but :  8 = 4×2 = 2²×2

x = √(2²×2) = √2²× √2 =2√2      ......   √2² =2

x  =  2√2 metres.

Describe the steps necessary to solve the following system equations:

-3x - 4y = 2 and 3x + 3y = -3

Answers

Answer:

(- 2, 1 )

Step-by-step explanation:

Given the 2 equations

- 3x - 4y = 2 → (1)

3x + 3y = - 3 → (2)

Adding the 2 equations term by term will eliminate the x- term, that is

0 - y = - 1

- y = - 1 ( multiply both sides by - 1 )

y = 1

Substitute y = 1 into either of the 2 equations and solve for x

Substituting into (2)

3x + 3(1) = - 3

3x + 3 = - 3 ( subtract 3 from both sides )

3x = - 6 ( divide both sides by 3 )

x = - 2

solution is (- 2, 1 )

Answer:

x = -2 and y = 1

Step-by-step explanation:

3x + 3y = -3, x + y = -1,  x = -y -1

-3(-y-1) - 4y = 2, 3y + 3 - 4y - 2 = 0

-y +1 = 0, y = 1

x + y = -1, x + 1 = -1, x = -2

Graph the linear equation y=2.

Answers

Answer:

Here is a picture of how you will graph this equation

Step-by-step explanation:

Hope this Helped

Answer:

Slope= 0  Y-intercept= (0,2)

Step-by-step explanation:

Is (-1,3) a solution for y < 2x + 5?

Answers

No it’s not a solution

Jessica is bringing cupcakes to school for her birthday. She is placing them in a rectangular box that can fit 4 more cupcakes long that it can wide. They will not all fit in the box, so she is also bringing a bag that can hold 12 cupcakes. The amount of cupcakes she is bringing can be represented as x(x + 4) + 12. Solve for the number of cupcakes wide and long the box will hold. Part A) What does x represent?​

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Answer:

the amount of cupcakes

Step-by-step explanation:

you said the amount of cupcakes can be represented by

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