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May 3, 2015

Homework Help: stats

Posted by AMbe on Saturday, August 4, 2012 at 10:01am.

2. The average age of a child in kindergarten is 66 months. The standard deviation is 4 months. If a random child is selected, find the probability that the mean age is:

a) Between 64 and 68 months
b) Greater than 62 months

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