Mathematics, 09.12.2019 19:31 146106
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...
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