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April 21, 2014

Homework Help: statistics

Posted by Amanda on Monday, October 27, 2008 at 10:11pm.

A box of tickets averages out to 75 and the SD is 10. One hundred draws are made at random with replacement from this box.
a)Find the chance that the average of the draws will be in the range 65 to 85.
b)repeat for the range 74 to 76.

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