On average, indoor cats live to 12 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( 12 2.5 b. Find the probability that an indoor cat dies when it is between 12.5 and 14 years old. 0.2089 c. The middle 40% of indoor cats' age of death lies between what two numbers? Low: years High: years
On average, indoor cats live to 12 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( 12 2.5 b. Find the probability that an indoor cat dies when it is between 12.5 and 14 years old. 0.2089 c. The middle 40% of indoor cats' age of death lies between what two numbers? Low: years High: years
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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![On average, indoor cats live to 12 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( 12
2.5
b. Find the probability that an indoor cat dies when
it is between 12.5 and 14 years old. 0.2089
c. The middle 40% of indoor cats' age of death lies
between what two numbers?
Low:
years
High:
years](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6ee6c1af-adde-424f-bb4c-5af98601ff50%2F84c46c22-2403-407e-9512-f6ca33e07f70%2Ff69zbyi_processed.jpeg&w=3840&q=75)
Transcribed Image Text:On average, indoor cats live to 12 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( 12
2.5
b. Find the probability that an indoor cat dies when
it is between 12.5 and 14 years old. 0.2089
c. The middle 40% of indoor cats' age of death lies
between what two numbers?
Low:
years
High:
years
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