The number of successes and the sample size for a simple random sample from a population are given below. x = 8, n = 40, Ho:p=0.4, Ha: p< 0.4, a = 0.01 a. Determine the sample proportion. b. Decide whether using the one-proportion z-test is appropriate. c. If appropriate, use the one-proportion z-test to perform the specified hypothesis test. Click here to view a table of areas under the standard normal curve for negative values of z. Click here to view a table of areas under the standard normal curve for positive values of z. b. Is it appropriate to use the one-proportion z-test? Yes No c. Determine the test statistic, if appropriate. Select the correct choice below and, if necessary, fill in the answer box to complete your answer. O A. z= (Round to two decimal places as needed.) O B. The one-proportion z-test is not appropriate.

The number of successes and the sample size for a simple random sample from a population are given below. x = 8, n = 40, Ho:p=0.4, Ha: p< 0.4, a = 0.01 a. Determine the sample proportion. b. Decide whether using the one-proportion z-test is appropriate. c. If appropriate, use the one-proportion z-test to perform the specified hypothesis test. Click here to view a table of areas under the standard normal curve for negative values of z. Click here to view a table of areas under the standard normal curve for positive values of z. b. Is it appropriate to use the one-proportion z-test? Yes No c. Determine the test statistic, if appropriate. Select the correct choice below and, if necessary, fill in the answer box to complete your answer. O A. z= (Round to two decimal places as needed.) O B. The one-proportion z-test is not appropriate.

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Description: 12.2.81The number of successes and the sample size for a simple random sample from a population are given below.x = 30, n= 50, Ho:p=0.7, H3: p+ 0.7, a = 0.10a. Determine the sample proportion.b. Decide whether using the one-proportion z-test is appr

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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12.2.81
The number of successes and the sample size for a simple random sample from a population are given below.
x = 30, n= 50, Ho:p=0.7, H3: p+ 0.7, a = 0.10
a. Determine the sample proportion.
b. Decide whether using the one-proportion z-test is appropriate.
c. If appropriate, use the one-proportion z-test to perform the specified hypothesis test.
Click here to view page 1 of the table of areas under the standard normal curve.
Click here to view page 2 of the table of areas under the standard normal curve.
a. The sample proportion is
(Type an integer or a decimal. Do not round.)

12.2.79
The number of successes and the sample size for a simple random sample from a population are given below.
x = 8, n = 40, Ho: p=0.4, Ha: p< 0.4, a = 0.01
a. Determine the sample proportion.
b. Decide whether using the one-proportion z-test is appropriate.
c. If appropriate, use the one-proportion z-test to perform the specified hypothesis test.
Click here to view a table of areas under the standard normal curve for negative values of z.
Click here to view a table of areas under the standard normal curve for positive values of z.
b. Is it appropriate to use the one-proportion z-test?
Yes
No
c. Determine the test statistic, if appropriate. Select the correct choice below and, if necessary, fill in the answer box to complete your answer.
O A.
Z =
(Round to two decimal places as needed.)
O B. The one-proportion z-test is not appropriate.

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