The total lifetime (in years) of five- year- old dogs of a certain breed is a random

Question:

The total lifetime (in years) of five- year- old dogs of a certain breed is a random variable whose distribution function is given by

Find the probabilities that such a five- year- old dog will live

(a) Beyond 10 years;

(b) Less than eight years;

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...