MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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solve c

On average, indoor cats live to 12 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 13.6 and 16.7 years old.
c. The middle 20% of indoor cats' age of death lies
between what two numbers?
Low:
years
High:
years
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Transcribed Image Text:On average, indoor cats live to 12 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 13.6 and 16.7 years old. c. The middle 20% of indoor cats' age of death lies between what two numbers? Low: years High: years
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