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Author Question: A certain rare form of cancer occurs in 37 children in a million, so its probability is 0.000037. In ... (Read 22 times)

drink

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on: Jul 25, 2018
A certain rare form of cancer occurs in 37 children in a million, so its probability is 0.000037. In the
  city of Normalville there are 74,090,000 children.
 
  A Poisson distribution will be used to
  approximate the probability that the number of cases of the disease in Normalville children is
  more than 2. Find the mean of the appropriate Poisson distribution (the mean number of cases in
  groups of 74,090,000 children).
  A) 27,400 B) 2740 C) 274 D) 0.000037

Question 2

On a multiple choice test with 17 questions, each question has four possible answers, one of which
  is correct. For students who guess at all answers, find the mean for the number of correct answers.
 
  A) 8.5 B) 12.8 C) 4.3 D) 5.7


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cegalasso

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Reply #1 on: Jul 25, 2018
Answer to Question 1

B

Answer to Question 2

C


drink

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Reply 2 on: Jul 25, 2018
YES! Correct, THANKS for helping me on my review

kusterl

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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