This topic contains a solution. Click here to go to the answer

Author Question: Are X and Y independent? Explain. What will be an ideal ... (Read 25 times)

B

  • Hero Member
  • *****
  • Posts: 570
Are X and Y independent? Explain.
 
  What will be an ideal response?

Question 2

Suppose we select a capital punishment supporter so that we can ask some follow up questions. What is the probability that the person we select is female?
 
  What will be an ideal response?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

itsakadoozi

  • Sr. Member
  • ****
  • Posts: 317
Answer to Question 1

Clearly X and Y are independent since P(x,y) = P(x).P(y) for all pairs (x,y).

Answer to Question 2

S = Capital punishment supporter
F = Female
P(S  F) = P(S  F)  P(F) = (0.46 )(0.48 ) = 0.2208
P(F  S) = P(F  S) / P(S) = 0.2208 / 0.64 = 0.345




B

  • Member
  • Posts: 570
Reply 2 on: Jun 24, 2018
Excellent


steff9894

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

For a complete list of videos, visit our video library