The security department of a factory wants to know whether or not the true average time required by the night watchman to walk hisround is 25 minutes. If in a random sample of 42 rounds, the night watchman averaged 25.6 minutes with a standard deviation of 1.5minutes, determine at the 0.01 level of significance whether this is sufficient evidence to reject the null hypothesis.Answer the following questions according to the text above.1- Choose the relevant hypotheses.Ho:H:2- Compute the test statistic.(Note that; za means z, or ta(df)3- What is the decision rule for the test.means t,(df) )4- State your decision and conclusion.5- Calculate the p-value for the test.

As per our guidelines, we are allowed to answer first three sub-parts only. Thanks The following…

Answered: 1- Choose the relevant hypotheses. Ho:…

1- Choose the relevant hypotheses. Ho: H: 2- Compute the test statistic. (Note that; za means z, or ta(df) 3- What is the decision rule for the test. means t,(df))

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

The security department of a factory wants to know whether or not the true average time required by the night watchman to walk his
round is 25 minutes. If in a random sample of 42 rounds, the night watchman averaged 25.6 minutes with a standard deviation of 1.5
minutes, determine at the 0.01 level of significance whether this is sufficient evidence to reject the null hypothesis.
Answer the following questions according to the text above.
1- Choose the relevant hypotheses.
Ho:
H:
2- Compute the test statistic.
(Note that; za means z, or ta(df)
3- What is the decision rule for the test.
means t,(df) )
4- State your decision and conclusion.
5- Calculate the p-value for the test.

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