SOLUTION: Assume the random variable X is normally distributed with mean μ equals=50 and standard deviation σequals=7. Find the 77th percentile.

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Question 1088685: Assume the random variable X is normally distributed with mean μ equals=50 and standard deviation σequals=7. Find the 77th percentile.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Find the z score so that P%28z%5B77%5D%29=0.77
Then,
z=%28X%5B77%5D-50%29%2F7
X%5B77%5D-50=7z
X%5B77%5D=7z%2B50