Refer to Problem 11. a. Suppose that 6% of all automobile tires with the longest tread life

Question:

Refer to Problem 11.
a. Suppose that 6% of all automobile tires with the longest tread life have a tread life of at least x miles. Find the value of x.
b. Suppose that 2% of all automobile tires with the shortest tread life have a tread life of at most x miles. Find the value of x.
In Exercise 11
In a National Highway Traffic Safety Administration (NHTSA) report, data provided to the NHTSA by Goodyear stated that the average tread life of properly inflated automobile tires is 45,000 miles. Suppose that the current of tread life of properly inflated automobile tires is normally distributed with a mean of 45,000 miles and a standard deviation of 2360 miles.
Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...