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Author Question: In a recent survey, 84 of the community favored building more parks in their neighborhood. You ... (Read 161 times)

Sufayan.ah

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on: Jul 25, 2018
In a recent survey, 84 of the community favored building more parks in their neighborhood. You randomly select 22 citizens and ask each if he or she thinks the community needs more parks.
 
  Decide whether you can use the normal distribution to approximate the binomial distribution. If so, find the mean and standard deviation. If not, explain why.

Question 2

A small computing center has found that the number of jobs submitted per day to its computers has a distribution that is approximately bell shaped, with a mean of 66 jobs and a standard deviation of 7.
 
  Where do we expect most (approximately 95) of the distribution to fall?
  A) between 52 and 80 jobs per day B) between 52 and 87 jobs per day
  C) between 59 and 73 jobs per day D) between 45 and 87 jobs per day


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blfontai

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

cannot use normal distribution, nq = (22)(0.

Answer to Question 2

A


Sufayan.ah

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Reply #2 on: Jul 25, 2018
Thank you!


blfontai

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Reply #3 on: Jul 25, 2018
Always glad to help...


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