Hannahrose911
22.02.2020 •
Mathematics
Suppose that the time students wait for a bus can be described by a uniform random variable X, where X is between 0 minutes and 60 minutes.
a. What is the probability that a student will wait between 0 and 30 minutes for the next bus?
b. What is the probability that a student will have to wait at least 30 minutes for the next bus?
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Ответ:
74
Step-by-step explanation:
92+92 = 184
332-184 = 148 (=2 lengths)
148/2 = 74