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THE PROBLEM:

Kip had to renew his license and while sitting at the DMV he surveyed everyone else there, asking them their age. The data turned out to have normal distribution, the mean age was 41, and the standard deviation was 5.

 

1. On paper, make a bell curve with the appropriate values listed on the axis below.

2. What % of people were below 31 years old?

3. What % of people were above 31 years old?

4. What % of people were between 41 and 46?

5. About what % of people were older than Kip (he's 38 years old)? 

 May 17, 2016

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