Which of the following are independent events?
O
A. Knowing that you have to get up earl...
Mathematics, 25.04.2020 20:50, willveloz4
Which of the following are independent events?
O
A. Knowing that you have to get up early tomorrow, and going to bed
before 9 p. m.
B. Knowing that you have a test in school tomorrow, and studying the
night before
O
C. Knowing that it is going to rain tomorrow, and going to bed before
9 p. m.
O
D. Knowing that it is going to rain tomorrow, and bringing an umbrella
to school
Answers: 1
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An automobile assembly line operation has a scheduled mean completion time, μ, of 12 minutes. the standard deviation of completion times is 1.6 minutes. it is claimed that, under new management, the mean completion time has decreased. to test this claim, a random sample of 33 completion times under new management was taken. the sample had a mean of 11.2 minutes. assume that the population is normally distributed. can we support, at the 0.05 level of significance, the claim that the mean completion time has decreased under new management? assume that the standard deviation of completion times has not changed.
Answers: 3
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Which geometric principle is used to justify the construction below?
Answers: 1
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