I need help with parts B, C, and D.The last time I submitted this I was given the wrong answersit said for p it was 0.0401 and it said that less than and also greater than were wrong for part d Consider the following hypothesis test:Ho : μ > 20Ha::μ< 20A 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 answerd. What is the rejection rule using the critical value? Use a = 0.05. Round your answer to threedecimal places. Enter negative value as negative number.Reject Ho if z is - Select your answerUsing the critical value approach, can it be concluded that the population mean is less than 20?- Select your answer -

A sample of 40 with mean is 19.5 and the population SD is 1.8 n=40x=19.5σ=1.8

Answered: Ho : μ > 20 Ha: μ < 20 ΛΙ

Math

Statistics

Ho : μ > 20 Ha: μ < 20 ΛΙ

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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Question

I need help with parts B, C, and D.

The last time I submitted this I was given the wrong answers

it said for p it was 0.0401 and it said that less than and also greater than were wrong for part d

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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