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Author Question: A community college has 150 person computers. The probability that any one of them will require ... (Read 66 times)

KWilfred

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on: Jun 24, 2018
A community college has 150 person computers. The probability that any one of them will require repair on a given day is 0.025 . To find the probability that exactly 25 of the computers will require repair, one will use what type of probability distribution?
 A. Binomial distribution
  B. Poisson distribution
  C. Normal distribution
  D. None of these choices.

Question 2

In a Poisson distribution, the:
 A. mean equals the standard deviation.
  B. median equals the standard deviation.
  C. mean equals the variance.
  D. None of these choices.


chinwesucks

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

Analysis:
A. Correct. This is the type of probability distribution one will use.
B. Incorrect. This is the type of probability distribution one will use.
C. Incorrect. This is the type of probability distribution one will use.
D. Incorrect. This is the type of probability distribution one will use.
ANSWER : A

Answer to Question 2

Analysis:
A. Incorrect. In a Poisson distribution, the mean equals the variance.
B. Incorrect. In a Poisson distribution, the mean equals the variance.
C. Correct. In a Poisson distribution, the mean equals the variance.
D. Incorrect. In a Poisson distribution, the mean equals the variance.
ANSWER : C


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