The waiting time for customers at MacBerger Restaurants foll

The waiting time for customers at MacBerger Restaurants follows a normal distribution with a population standard deviation of 1 minute.
At the Warren Road MacBerger, the quality assurance department sampled 49 customers and found that the mean waiting time was 2.75 minutes.
At the .05 significance level, can we conclude that the mean waiting time is less than 3 minutes.

The Null Hypothesis is:

a     The waiting time for customers at MacBerger Restaurants is equal to        _______.

b    The waiting time for customers at MacBerger Restaurants is greater than _______.

c    The waiting time for customers at MacBerger Restaurants is less than       _______.

d    The waiting time for customers at MacBerger Restaurants is not equal to _______.

Enter the correct answer by selecting the appropriate letter and entering the correct number. Enter number to the same precision as presented in the question.

The Alternate Hypothesis is:

a     The waiting time for customers at MacBerger Restaurants is equal to         ______.

b    The waiting time for customers at MacBerger Restaurants is greater than    ______.

c    The waiting time for customers at MacBerger Restaurants is less than     ______.

d    The waiting time for customers at MacBerger Restaurants is not equal to    ______.

Enter the correct answer by selecting the appropriate letter and entering the correct number. Enter number to the same precision as presented in the question.

The appropriate distribution is:

a     Uniform Distribution
b   Normal Distribution
c    t Distribution
d     Chi Square Distribution

The Hypothesis test is:

a     Left tail test
b     Right tail test
c     Two tail test

Enter the appropriate letters for answering the questions in the same order in which the questions are asked.

Select the letter for the appropriate decision rule. Enter the appropriate letter and then the critical value.

Decision:

a     Ha hypothesis: If the test statistic is equal to or greater than the critical value which is     _____.

b     Ha hypothesis: If the test statistic is equal to or less than the critical value which is          _____.

c     Ha hypothesis: If the absolute value of the test statistic is equal to or greater than the critical value which is   _____.

The numerical value of the test statistic is:

Hypothesis Test Decision:

a     Null Hypothesis: Do not reject the null hypothesis. The data does not support the Alternate Hypothesis.

b     Alternate Hypothesis: Reject the null hypothesis. The data supports the Alternate Hypothesis.

c    The waiting time for customers at MacBerger Restaurants cannot be determined because the data set is a sample.

Enter the correct answer by selecting the appropriate letter.

Solution