Question
A tire manufacturer claims that his tires last at least 50,000 miles. A test on 43 tires reveals that mean life of a tire is
A tire manufacturer claims that his tires last at least 50,000 miles. A test on 43 tires reveals that mean life of a tire is 49,700 miles with a standard deviation of 2750 miles. You claim that the tires last less than 50,000 miles. Using a significance level of 0.01, calculate the p-value of the test stat -0.715.
- 0.285
- 0.237
- 0.833
- 0.761
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started
Precalculus Enhanced With Graphing Utilities (Subscription)
Authors: Michael, Michael Sullivan III, Michael III Sullivan, III Sullivan
6th Edition
0321849108, 9780321849106
