Question
Assume that the number of miles a particular brand of tire lasts before it needs to be replaced follows a normal distribution with a mean
Assume that the number of miles a particular brand of tire lasts before it needs to be replaced follows a normal distribution with a mean of 45,600 miles and a standard deviation of 5,800 miles. a. What is the probability that the next tire of this brand sold will last 1. more than 36,000 miles before it needs to be replaced? 2. less than 42,000 miles before it needs to be replaced? 3. between 45,000 and 55,000 miles before it needs to be replaced? b. Use Excel to confirm the answers in part a. c. What is the mileage that 90% of the tires of this brand will survive before needing to be replaced?
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