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April 1, 2015

April 1, 2015

Posted by **lindsay** on Monday, November 7, 2011 at 1:50pm.

computers. In the survey, the number of hours was normally distributed, with a mean of 8

hours and a standard deviation of 1 hour. A survey participant is randomly selected. Find the

probability that the hours spent on the home computer by the participant are between 5.5 and

9.5 hours per week.

- statistics -
**PsyDAG**, Tuesday, November 8, 2011 at 11:05amZ = (score-mean)/SD

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion related to your Z scores.

- statistics -
**Anonymous**, Sunday, March 15, 2015 at 3:34pm0.3258

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