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Author Question: Let event A be that there are more than two defects and let event B be that there are four or fewer ... (Read 76 times)

WWatsford

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Let event A be that there are more than two defects and let event B be that there are four or fewer defects. Which of the following statements is true?
 
  A) P(A  B) = 0.18
  B) P(A  B) = 0.07
  C) P( ) = 0.58
  D) P( ) = 0.89

Question 2

A college placement office conducted a survey of 100 engineers who had graduated from Stanford University. For these engineers, the mean salary was computed to be 72,000 with a standard deviation of 8,000.
 
  The percentage of these engineers who earn more than 96,000 or less than 48,000 is:A) approximately 0.
  B) at least 5.6 (1/18 of the engineers).
  C) at most 5.6 (1/18 of the engineers).
  D) at most 11.1 (1/9 of the engineers).



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Cheesycrackers

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Answer to Question 1

A

Answer to Question 2

D




WWatsford

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Reply 2 on: Jun 24, 2018
:D TYSM


phuda

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Reply 3 on: Yesterday
Wow, this really help

 

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