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April 21, 2014

Homework Help: statistics

Posted by hr on Wednesday, March 31, 2010 at 9:12pm.

the heights of 1000 students in a college are normally distributed with a mean 5’10" and SD 2". Use 68% for the region from the mean to 1-SD on either side; 94% for the region from the mean to 2-SD on either side and 98% for the region from the mean to 3-SD on either side. Find the approximate number of students in each range of the heights:

28) 5’8"–6’

29) 5’6"–6’2"

30) Above 5’10"

31) Below 6’

32) Above 5’8"

33) 5’8"–6’4"

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