A supermarket claims that the average wait time at the checkout counter is less than 9 minutes. We can assume that the p

Business, Finance, Economics, Accounting, Operations Management, Computer Science, Electrical Engineering, Mechanical Engineering, Civil Engineering, Chemical Engineering, Algebra, Precalculus, Statistics and Probabilty, Advanced Math, Physics, Chemistry, Biology, Nursing, Psychology, Certifications, Tests, Prep, and more.
Post Reply
answerhappygod
Site Admin
Posts: 899603
Joined: Mon Aug 02, 2021 8:13 am

A supermarket claims that the average wait time at the checkout counter is less than 9 minutes. We can assume that the p

Post by answerhappygod »

A Supermarket Claims That The Average Wait Time At The Checkout Counter Is Less Than 9 Minutes We Can Assume That The P 1
A Supermarket Claims That The Average Wait Time At The Checkout Counter Is Less Than 9 Minutes We Can Assume That The P 1 (62.63 KiB) Viewed 56 times
A supermarket claims that the average wait time at the checkout counter is less than 9 minutes. We can assume that the population is Normally distributed. Consider HO: mu >= 9 H1: mu < 9 A random sample of 50 customers yielded an average wait time of 8.5 minutes and a standard deviation of 2.5 minutes. What is the value of the test statistic (tstat or t-sub-xbar)? (Provide two decimal places)
Join a community of subject matter experts. Register for FREE to view solutions, replies, and use search function. Request answer by replying!
Top
Post Reply

Return to “Archived Questions & Answers”