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August 29, 2014

August 29, 2014

Posted by **maths** on Monday, September 7, 2009 at 2:48am.

that traffic death rates (deaths per 100 million motor

vehicle miles driven) can be modeled by the normal

curve. The data suggest that the distribution has a mean

of 5.3 and a standard deviation of 1.3. Sketch the normal

curve, showing the mean and standard deviation.

- general maths -
**MathMate**, Monday, September 7, 2009 at 8:45amThe following link will give a good introduction to the concepts of a normal distributtion curve. Note that the article uses μ for mean, and σ for standard deviation.

http://en.wikipedia.org/wiki/Normal_distribution

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