The mileage (in thousands of miles) that car owners get with a certain kind of radial tire is a random variable having an exponential distribution with 40 Find the probabilities that one of these tires will last (a) At least 20,000 miles (b) At most 30,000 miles ...

The mileage (in thousands of miles) that car owners get with a certain kind of radial tire

Question:

The mileage (in thousands of miles) that car owners get with a certain kind of radial tire is a random variable having an exponential with θ = 40. Find the probabilities that one of these tires will last
(a) At least 20,000 miles;
(b) At most 30,000 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...