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November 10th, 2011, 02:27 PM  #1 
Newbie Joined: Nov 2011 Posts: 2 Thanks: 0  statistics problem on normal distribution?
a video rental chain estimates that annual expenditure on rentals is normally distributed with mean of $100. 10% of members spend more than $130 in a year. what % of members spend more than $140 in a year? i have an exam tomorrow.... any help would be appreciated! i'm stuck on the first problem 

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distribution, normal, problem, statistics 
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