Question 12 On average, indoor cats live to 15 years old with a standard deviation of 2.5 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 13 and 16 years old. c. The middle 50% of indoor cats' age of death lies between what two numbers? Low: years High: years