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August 28, 2015

Homework Help: Statistics

Posted by John on Friday, October 22, 2010 at 10:36am.

The average time a visitor spends at the Renzie Park Art Exhibit is 62 minutes. The standard deviation is 12 minutes. If a visitor is selected at random, find the probability that he or she will spend:

A)At least 82 minutes at the exhibit
B)At most 50 minutes at the exhibit




The average time a person spends at Barefoot Landing Seaquarium is 96 minutes. The standard deviation is 17 minutes. Assume the variable is normally distributed. If a visitor is selected at random, find the probability that he or she will spend:

A)At least 120 minutes at the exhibit
B)At most 80 minutes at the exhibit

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