Question

A variable is normally distributed with mean 16 and standard deviation 2.

A. determine the quartiles of the variable obtain and interpret the 85th percentile

B. Find the value that 65% of all possible values of the variable exceed

C. Find the two values that divide the area under the corresponding normal curve into the middle area of 0.95 and two outside areas of 0.025

d. 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 are what?

These values enclose the area of the normal curve that is within how many standard deviations?

Answer 1

This problem is the example of area of Normal curve used to find different partition statistical constant of given variable.