The owner of a local nightclub has recently surveyed a random sample of n = 250 customers of the club.She would now like to determine whether or not the mean age of her customers is greater than 30.If so, she plans to alter the entertainment to appeal to an older crowd.If not, no entertainment changes will be made.Suppose she found that the sample mean was 30.45 years and the sample standard deviation was 5 years.If shewants to have a level of significance at 0.01, what decision should she make?
A)Reject H0.
B)Reject H1.
C)Do not reject H0.
D)We cannot tell what her decision should be from the information given.

Question

Quizplus · Accepted Answer

The Answer of The owner of a local nightclub has recently surveyed a random sample of n = 250 customers of the club.She would now like to determine whether or not the mean age of her customers is greater than 30.If so, she plans to alter the entertainment to appeal to an older crowd.If not, no entertainment changes will be made.Suppose she found that the sample mean was 30.45 years and the sample standard deviation was 5 years.If shewants to have a level of significance at 0.01, what decision should she make?
A)Reject H0.
B)Reject H1.
C)Do not reject H0.
D)We cannot tell what her decision should be from the information given.

The Owner of a Local Nightclub Has Recently Surveyed a Random