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 52 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?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

For a complete list of videos, visit our video library