On average, indoor cats live to 13 years old with a standard deviation of 2.2 years. Suppose that the distribution is normal. Let X = the age at death of a randomly selected indoor cat. Round answers to 4 decimal places where possible.

a.What is the distribution of X? X ~ N(,)

b. Find the probability that an indoor cat dies when it is between 14.1 and 15.6 years old.

c.The middle 50% of indoor cats' age of death lies between what two numbers?

Low:years

High:years