Question: A variable is normally distributed with mean 15 and standard deviation 2. a. Find the percentage of all possible values of the variable that lie

A variable is normally distributed with mean 15 and standard deviation 2.

a. Find the percentage of all possible values of the variable that lie between 12 and 19.

b. Find the percentage of all possible values of the variable that exceed 10.

c. Find the percentage of all possible values of the variable that are less than 13.

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