Author Question: Sally and Craig are married. The probability that Sally gets up on time for work is 0.8, and the ... (Read 72 times)

mpobi80

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Sally and Craig are married. The probability that Sally gets up on time for work is 0.8, and the probability that Craig gets up on time for work is 0.7.
 
  If the probability that Craig gets up on time given that Sally gets up on time is 0.9, find the probability of
 
  I. both getting up on time.
  A) 0.72 B) 0.78 C) 0.63 D) 0.94
  II. at least one gets up on time.
  A) 0.72 B) 0.78 C) 0.63 D) 0.94

Question 2

If all data points lie on the regression line, then the standard error of estimate is __________ .
 
  Fill in the blank(s) with correct word



Ptupou85

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Answer to Question 1

I. A
II. B

Answer to Question 2

zero



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