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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 42 times)

mia

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on: Jul 24, 2018
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

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

A

Answer to Question 2

A


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