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(Solved): On average, indoor cats live to 16 years old with a standard deviation of 2.7 years. Suppose that th ...



On average, indoor cats live to 16 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(___,___)

b. Find the probability that an indoor cat dies when it is between 15 and 18.7 years old. ____

c.  The middle 30% of indoor cats' age of death lies between what two numbers?
     Low: _____  years
     High:_____ years



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Solution Given that, Mean = µ = 16 standard deviation = ?= 2.7
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