Question

On average, indoor cats live to 13 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.

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

b. Find the probability that an indoor cat dies when it is between
13.3 and 16.2 years old. ____

c. The middle 40% of indoor cats' age of death lies between what
two numbers?

Low: ___ years

High: ___ years

Answer #1

TOPIC:Normal distribution.

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