A variable is normally distributed with mean 6 and standard
A variable is normally distributed with mean 6 and standard deviation 2.
a. Determine and interpret the quartiles of the variable.
b. Obtain and interpret the 85th 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 your answer.
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