Mathematics, 07.11.2019 04:31 Bunnybear3384
The wait time for service at a local dmv is uniformly distributed from 1 minute to 9 minutes. a. find the probability that a randomly selected person waits 1.5 to 5 minutes. b. find the expected wait time. c. find the standard deviation of the wait time.
Answers: 1
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Suppose there are 10 five and six-year-old attending a birthday party. when a 30 year old mother walks into the room with an infant in her arms, what happens to the mean age in the room? what happens to the standard deviation of ages in the room? a. the mean and standard deviation of both change. b. the meaning will change, but the standard deviation will stay approximately the same. c. i mean will stay approximately the same, but the standard deviation will change. d. the mean and standard deviation will both stay approximately the same.
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The wait time for service at a local dmv is uniformly distributed from 1 minute to 9 minutes. a. fin...
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