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Author Question: About 40 of the general population donate time and energy to community projects. Suppose 15 people ... (Read 114 times)

dejastew

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  • Posts: 562
on: Jun 24, 2018
About 40 of the general population donate time and energy to community projects.
  Suppose 15 people have been randomly selected from a community and each asked
  whether he or she donates time and energy to community projects.
 
  Let x be the number
  who donate time and energy to community projects. Use a binomial probability table to
  find the probability that more than five of the 15 donate time and energy to community
  projects.

Question 2

Both Chebyshev's rule and the empirical rule guarantee that no data item will be more than four
  standard deviations from the mean.
 
  A) True B) False


flannelavenger

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

X is a binomial random variable with n = 15 and p = 0.4.
P(x >

Answer to Question 2

B


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