Mathematics, 27.05.2020 19:05 PONBallfordM89
Ron Blake, a personnel director, wants to study the accuracy level of his company's 70 secretaries. Historically, the number of word processing errors made each day by each secretary had been approximately normal with an average of eighteen, and a population standard deviation of four. Mr. Blake monitors a sample of fifteen randomly chosen secretaries today. What is the probability that the average number of errors per secretary is greater than 20
Answers: 2
Mathematics, 21.06.2019 19:00
Solve the equation using the zero-product property. -3n(7n - 5) = 0 a. 0, -5/7 b. -1/3, -5/7 c. -1/3, 5/7 d. 0, 5/7
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Mathematics, 21.06.2019 20:00
Elizabeth is using a sample to study american alligators. she plots the lengths of their tails against their total lengths to find the relationship between the two attributes. which point is an outlier in this data set?
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Mathematics, 21.06.2019 20:00
What is the ratio of the length of an object in yards to the length of the same object in miles?
Answers: 3
Ron Blake, a personnel director, wants to study the accuracy level of his company's 70 secretaries....
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