Author Question: Given events A and B with probabilities P(A ) = 0.5, P(B) = 0.4, and P(A and B) = 0.2, are A and B ... (Read 10 times)

mia

  • Hero Member
  • *****
  • Posts: 564
Given events A and B with probabilities P(A ) = 0.5, P(B) = 0.4, and P(A and B) = 0.2, are A and B independent?
 
  A) yes B) no C) cannot be determined

Question 2

A university must choose a team of 5 students to participate in a TV quiz show. The students will be chosen at random from a pool of 44 potential participants of whom 20 are women. The random variable X represents the number of women on the team.
 
  A) hypergeometric; N = 44, n = 5, k = 20, x = 0, 1, 2, 3, 4, 5
  B) hypergeometric; N = 44, n = 20, k = 5, x = 0, 1, 2, 3, 4, 5
  C) hypergeometric; N = 44, n = 5, k = 20, x = 0, 1, 2, . . . , 20
  D) not hypergeometric



vkodali

  • Sr. Member
  • ****
  • Posts: 357
Answer to Question 1

A

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

For a complete list of videos, visit our video library