February 21, 2017

Homework Help: statistics

Posted by Crystal on Friday, February 25, 2011 at 3:07pm.

  If the heights within a certain subpopulation of people are normally distributed with a mean of 180 centimeters and a standard deviation of 10 centimeters, what proportion of the people is shorter than 195 centimeters? Z=(score-mean)/SD
after finiding the proportion i looked at the "areas under the normal curve" in my book. T
The proportion to my problem was 1.5
The book gives me theanswers of .4332 or .0668....which is the correct answer and how can it be determined ?

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