Author Question: What is the covariance between x and y? A) 4.83 B) 7.11 C) 50.50 D) ... (Read 49 times)

penza

  • Hero Member
  • *****
  • Posts: 1,022
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

  • Sr. Member
  • ****
  • Posts: 309
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



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

For a complete list of videos, visit our video library