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

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 22PFA
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** I already have answers a and b *** I just need answer C
On average, indoor cats live to 12 years old with a standard deviation of 2.7 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
b. Find the probability that an indoor cat dies when it is between 7.2 and 9.4 years
old.
c. The middle 40% of indoor cats' age of death lies between what two numbers?
Low:
years
High:
Hint:
Helpful videos:
2.7
years
• Find a Probability [+]
• Finding a Value Given a Probability [+]
Hint
Transcribed Image Text:On average, indoor cats live to 12 years old with a standard deviation of 2.7 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 b. Find the probability that an indoor cat dies when it is between 7.2 and 9.4 years old. c. The middle 40% of indoor cats' age of death lies between what two numbers? Low: years High: Hint: Helpful videos: 2.7 years • Find a Probability [+] • Finding a Value Given a Probability [+] Hint
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