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Author Question: On a busy day, the average roller coaster wait time at a large amusement park is 27 minutes. Suppose ... (Read 635 times)

WWatsford

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On a busy day, the average roller coaster wait time at a large amusement park is 27 minutes. Suppose the standard deviation of wait time is 11.9 minutes and the distribution of wait times is approximately normally distributed.

If it is a busy day, approximately what percentage of people at the amusement park will have a wait time that is at least 30 minutes? Round to the nearest whole percent.


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Marked as best answer by WWatsford on Apr 14, 2020

momolu

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WWatsford

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Reply 2 on: Apr 14, 2020
Excellent


at

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Reply 3 on: Yesterday
Gracias!

 

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