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Author Question: What is the covariance between x and y? A) 4.83 B) 7.11 C) 50.50 D) ... (Read 30 times)

penza

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on: Jun 24, 2018
What is the covariance between x and y?
 
  A) 4.83
  B) 7.11
  C) 50.50
  D) 58.92

Question 2

Find the probability neither of the next two disks inspected will contain any missing pulse.
 
  What will be an ideal response?


Jane

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Reply #1 on: Jun 24, 2018
Answer to Question 1

C

Answer to Question 2

We can assume the disks are independent.
P(X = 0 on first disk and X = 0 on second disk) = P(X = 0 ).P(X = 0 ) = (0.905 )2 = 0.819


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