On average, indoor cats live to 13 years old with a standard deviation of 2.6 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?   b. Find the probability that an indoor cat dies when it is between 15 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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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.