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A variable is normally distributed with mean 10 and standard deviation 2. a. Find the percentage...

A variable is normally distributed with mean 10 and standard deviation 2. a. Find the percentage of all possible values of the variable that lie between 9 and 12. b. Find the percentage of all possible values of the variable that exceed 5. c. Find the percentage of all possible values of the variable that are less than 8.

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Answer #1

Here,

X ~ Normal(10, 22)

a) The percentage of all possible values of the variable that lie between 9 and 12

b) The percentage of all possible values of the variable that exceed 5

c) The percentage of all possible values of the variable that are less than 8

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