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Mathematics 14 Online
OpenStudy (anonymous):

Solve the problem. In a study of wait times at an amusement park, the most popular roller coaster has a mean wait time of 17.4 minutes with a standard deviation of 5.2 minutes. If 14 days are randomly selected, find the probability that the mean wait time is between 10 and 20 minutes. a.)0.9470 b.)0.6713 c.)0.0471 d.)0.9693 plz oh plz help!

OpenStudy (anonymous):

ITS B

OpenStudy (anonymous):

thanks!

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