joint and bayes

Question 1

Using the Joint prob table in your notes, what would P(A|M) mean

Answer 1

Prob promoted given that they are male

Question 2

Using the joint prob table in your notes, what is the prob of our of all men we select a promoted male?

Answer 2

288/960 = 30%

Question 3

Using the joint prob table in your notes, what is the probability of being promoted

Answer 3

324/1200 = .27

Question 4

Using the joint prob table, whe is the prob of M intersection A

Answer 4

288/1200 = 24%

Question 5

Using the prob table with is the prob of being male

Answer 5

960/1200

Question 6

Using the prob table, what is the prob of not being promoted

Answer 6

876/1200

Question 7

Using the prob table, what is the prob of being a women and promoted (WnA)

Answer 7

36/1200

Question 8

Using the prob table, what is P(A|M)

Answer 8

P(AnM) / P(M)