Question: A variable is normally distributed with mean 7 and standard deviation 2 a. Find the percentage of all possible values of the variable that lie

A variable is normally distributed with mean 7 and standard deviation 2

a.Find the percentage of all possible values of the variable that lie between 6 and 12

b.Find the percentage of all possible values of the variable that exceed 4

c.Find the percentage of all possible values of the variable that are less than 2

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