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statistics

dud

New member
Joined
Feb 11, 2011
Messages
4
The mean score on a creativity test is 20 and the standard deviation is 5. The distribution is normal. Using the percentage approximation for the normal curve, how many people would attain a score between 15 and 25?
 

Denis

Senior Member
Joined
Feb 17, 2004
Messages
1,284
Please read "Read before posting".
 
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