Im not sure how to complete the below assignment Pleas help

Im not sure how to complete the below assignment, Pleas help.

Finer Diner Average Tables Hypothesis

Finer Diner claims that on any given night, the average number of tables served is 80. A food services researcher feels that this average is incorrect. The researcher selects a random sample of 64 nights and finds the mean of the sample to be 76 tables. The population standard deviation () is 1.4 tables. Is there evidence to support the claim of the researcher at = 0.05?

Identify evidence, if any, of the researcher’s claim.

Perform a one- or two-tail test on the data provided,

Explain the process you used to test the hypothesis, and

Report what value would have to be in order for your decision to be reversed.

Solution

we can\'t test the hypothesis as z value reaches to -22.85

where we cant find p value for it