February 20, 2017

Homework Help: Statistics

Posted by Eric on Sunday, June 26, 2011 at 9:26pm.

In an advertisement, a shoe store claims that its mean online delivery time is less than 30 hours. A random selection of 36 delivery times has a sample mean of 28.5 hours and a standard deviation of 3.5 hours.

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions