A variable is normally distributed with a mean of 10 and a standard deviation of 2. a. Determine the quartiles of the variable. b. Obtain and interpret the 80th percentile. c. Find the value that​ 65% of all possible values of the variable exceed. d. Find the two values that divide the area under the corresponding normal curve into a middle area of 0.95 and two outside areas of 0.025. Interpret the answer.

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A variable is normally distributed with a mean of 10 and a standard deviation of 2.
a. Determine the quartiles of the variable.
b. Obtain and interpret the 80th percentile.
c. Find the value that​ 65% of all possible values of the variable exceed.
 
 
d. Find the two values that divide the area under the corresponding normal curve into a middle area of 0.95 and two outside areas of 0.025. Interpret the answer.
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