Consider the following hypothesis test: Ho : μ > 20 Ha: μ < 20 A sample of 40 provided a sample mean of 19.5. The population standard deviation is 1.8. a. Compute the value of the test statistic (to 2 decimals). Enter negative value as negative number. b. What is the p-value (to 4 decimals)? c. Using a = 0.05, can it be concluded that the population mean is less than 20? - Select your answer - ✓ d. What is the rejection rule using the critical value? Use a = 0.05. Round your answer to three decimal places. Enter negative value as negative number. Reject Ho if z is - Select your answer - Using the critical value approach, can it be concluded that the population mean is less than 20? - Select your answer -
Consider the following hypothesis test: Ho : μ > 20 Ha: μ < 20 A sample of 40 provided a sample mean of 19.5. The population standard deviation is 1.8. a. Compute the value of the test statistic (to 2 decimals). Enter negative value as negative number. b. What is the p-value (to 4 decimals)? c. Using a = 0.05, can it be concluded that the population mean is less than 20? - Select your answer - ✓ d. What is the rejection rule using the critical value? Use a = 0.05. Round your answer to three decimal places. Enter negative value as negative number. Reject Ho if z is - Select your answer - Using the critical value approach, can it be concluded that the population mean is less than 20? - Select your answer -
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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I ony need help with parts A, B, and D
The first select your answer for part D has the following options:
greater than or equal to
greater than
less than or equal to
less than
equal to
not equal to

Transcribed Image Text:Consider the following hypothesis test:
Ho : μ > 20
Ha:
:μ< 20
A sample of 40 provided a sample mean of 19.5. The population standard deviation is 1.8.
a. Compute the value of the test statistic (to 2 decimals). Enter negative value as negative number.
b. What is the p-value (to 4 decimals)?
c. Using a = 0.05, can it be concluded that the population mean is less than 20?
- Select your answer
d. What is the rejection rule using the critical value? Use a = 0.05. Round your answer to three
decimal places. Enter negative value as negative number.
Reject Ho if z is - Select your answer
Using the critical value approach, can it be concluded that the population mean is less than 20?
- Select your answer -
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