Asked by carla
Suppose the weights of male police are normally distributed and the 6.68% are under 130 lbs. in weight, and 77.45% are
between 130 and 180 lbs. Find the mean and standard deviation of the distribution.
between 130 and 180 lbs. Find the mean and standard deviation of the distribution.
Answers
Answered by
oobleck
You can play around with Z-table stuff here:
http://davidmlane.com/hyperstat/z_table.html
http://davidmlane.com/hyperstat/z_table.html
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