On average, indoor cats live to 15 years old with a standard deviation of 2.4 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. ) b. Find the probability that an indoor cat dies when it is between 12.8 and 15.6 years old. :] J a. What is the distribution of X? x - Nd c. The middle 40% of indoor cats' age of death lies between what two numbers