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Author Question: A random sample of 139 forty-year-old men contains 26 smokers. Find the P-value for a test of the ... (Read 101 times)

iveyjurea

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on: Aug 1, 2018
A random sample of 139 forty-year-old men contains 26 smokers. Find the P-value for a test of the claim that the percentage of forty-year-old men that smoke is 22.
 
  A) 0.1401 B) 0.2542 C) 0.2802 D) 0.1271

Question 2

Assume that you are predicting Y from X. Which of the following correlation coefficients would yield predictions with the least error?
 
  a. r = zero.
  b. r = +.30.
  c. r = -.70.
  d. r = +.60.


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sarahccccc

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

Here to give you a feedback, your answer was right Awesome

Answer to Question 2

C


iveyjurea

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Reply #2 on: Aug 1, 2018
Both answers were spot on, thank you once again


sarahccccc

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Reply #3 on: Aug 1, 2018
Great! Please up vote :D


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