Mathematics, 03.01.2020 01:31 cookie42087

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 30 days are randomly selected, find the probability that the mean wait time is greater than 20 minutes.

a: 0.0031

b: 0.1023

c: 0.3207

d: 0.9987

Answers: 1

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In a study of wait times at an amusement park, the most popular roller coaster has a mean wait time...