Asked Feb 26, 2020

Customers were waiting in line too long so data was collected. The mean time was 28 minutes. One month later a sample of 127 customers was selected. The mean wait time recorded was 26.9 minutes and the S.D. of the sampling was 8 minutes. Shall we reject the null hypothesis of the mean >/= 28 in favor of the alternate hypothesis, mean < 28,="" at="" a="" 2%="" significance="">


Expert Answer

This question hasn't been answered yet.

Ask an expert

Check out a sample Q&A here.

The solution to your study problems

Solutions are written by subject matter experts who are available 24/7. Questions are typically answered within 1 hour.*

Get Started
*Response times may vary by subject and question.