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Author Question: Two stores sell a certain product. Store A has 35 of the sales, 3 of which are of defective items, ... (Read 77 times)

bclement10

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on: Aug 2, 2018
Two stores sell a certain product. Store A has 35 of the sales, 3 of which are of defective items, and store B has 65 of the sales, 5 of which are of defective items.
 
  The difference in defective rates is due to different levels of pre-sale checking of the product. A person receives a defective item of this product as a gift. What is the probability it came from store B?
  A) 0.2442 B) 0.2625 C) 0.8125 D) 0.7558

Question 2

The amount of change in a Y variable that accompanies a given amount of change in an X variable is the .
 
  a. slope of a straight line
  b. Y-intercept of a straight line
  c. correlation between X and Y
  d. length of the prediction line


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Ahernandez18

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Reply #1 on: Aug 2, 2018
Answer to Question 1

D

Answer to Question 2

A


bclement10

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Reply #2 on: Aug 2, 2018
Thank you!


Ahernandez18

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Reply #3 on: Aug 2, 2018
Always glad to help...


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