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Author Question: Tara has phone numbers for a random sample of people. She will call as many people as she can ... (Read 160 times)

jhjkgdfhk

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on: Aug 1, 2018
Tara has phone numbers for a random sample of people. She will call as many people as she can between 1 and 2 pm and ask each person whether they smoke.
 
  A) Not binomial: the procedure does not have a fixed number of trials
  B) Procedure results in a binomial distribution.
  C) Not binomial: the trials are not independent.
  D) Not binomial: the probability p does not remain constant for each trial

Question 2

Under what conditions can we apply the results of the central limit theorem?
 
  What will be an ideal response?


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asdfasdf

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Reply #1 on: Aug 1, 2018
Answer to Question 1

A

Answer to Question 2

Either the sample size must be greater than 30, or if the sample is not greater than thirty, then the original population must have a normal distribution.


jhjkgdfhk

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Reply #2 on: Aug 1, 2018
Thanks


asdfasdf

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Reply #3 on: Aug 1, 2018
Welcome :)


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