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May 27, 2015

Homework Help: statistics

Posted by Anonymous on Tuesday, July 27, 2010 at 1:26pm.

The heights of 1000 students in a college are normally distributed with a mean 510 and SD 2. Find the approximate number of students in each range of the heights:
1) 58-6
2) 56-62
3) Above 510
4) Below 6
5) Above 58
6) 58-64
*Use 68% for 1 SD, 94% for 2 SD and 98% for 3 SD. (Hint: draw a normal curve, divide the curve into 1, 2 and 3 SD and then put 1%, 2%, 13%, 34%, 34%, 13%, 2%, and 1% in each section from left to right.)

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