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Author Question: Which of the following experiments can be modeled by the Poisson distribution? a. The number of ... (Read 86 times)

WWatsford

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on: Jul 24, 2018
Which of the following experiments can be modeled by the Poisson distribution?
 a. The number of calls received by a switchboard during a given period of time.
  b. The number of bacteria per small volume of fluid.
  c. The number of customer arrivals at a checkout counter during a given minute.
  d. The number of customer arrivals at a checkout counter during a given hour.
  e. All of these.

Question 2

Which of the following statements is false regarding the assumptions for inferences about the linear correlation coefficient?
 a. The set of (x, y) ordered pairs forms a random sample.
  b. The y values at each x have a normal distribution.
  c. Inferences about the linear correlation coefficient use the t-distribution with (n  1) degrees of freedom.
  d. None of the above.


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juicepod

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Reply #1 on: Jul 24, 2018
Answer to Question 1

E

Answer to Question 2

C


WWatsford

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Reply 2 on: Jul 24, 2018
YES! Correct, THANKS for helping me on my review

Liddy

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Reply 3 on: Yesterday
Excellent

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