Made Fresh pasta averages a wait time of 20 minutes

Made Fresh pasta averages a wait time of 20 minutes for customers to pick up their take-out orders. Periodically, the manager will take a sample of the orders to see if the wait times have increased. A sample of 36 orders is selected from a Friday afternoon. The sample mean wait time is 21 minutes. The population is known to be normally distributed with a standard deviation of 5 minutes. Conduct the following test of hypothesis using the 0.05 significance level:
H0: µ ≤ 20
H1: µ > 20

(a) Is this a one- or two-tailed test? 

(b) What is the decision rule? 

(c) What is the value of the test statistic? 

(d) What is your decision regarding H0

(e) Determine the p-value and interpret it.

Members

  • Access to 1 Million+ Textbook solutions
  • Ask any question from 24/7 available
    Tutors
$9.99
VIEW SOLUTION
OR

Non-Members

Get help from Business Statistics Tutors
Ask questions directly from Qualified Online Business Statistics Tutors .
Best for online homework instance.