SOLUTION: Suppose Leslie's daily steps are normally distributed with a mean of 7512 and a standard deviation of 1400. Determine the minimum steps required to be in the top 10% of her daily s

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Question 977360: Suppose Leslie's daily steps are normally distributed with a mean of 7512 and a standard deviation of 1400. Determine the minimum steps required to be in the top 10% of her daily steps?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
So find the z-score when p=0.90.
z=1.2816
Then,
%28x-7512%29%2F1400=1.2816
x-7512=1794
x=9306