Saleh M.

asked • 04/03/13

Can anyone help me solve this problem?

2,000 randomly selected adults were asked if they think they are financially better off, the same or worth off than their parents. From those 2,000 adults, 400 have less than college degree, 1,000 have college degree, 600 have more than college degree, 101 are financially better off, and 570 are financially worse off. Also 140 adults have less than college degree and are financially better off and 250 adults have college degree and are financially the same, 420 have more than college degree and are financially better off and 200 have less than college degree and are financially worse off.

Let A be an event that a randomly selected person is financially better off than parent
Let B be an event that a randomly selected person is financially the same than parent
Let C be an event than a randomly selected person is financially worse off than parent
Let D be an event that a randomly selected person has less than college degree
Let E be an even that a randomly selected person has a college degree
Let F be an event that a randomly selected person has more than a college degree

a) If one adult is randomly selected from these 2,000 adults, find the probability:

1. P(B):
2. P(B|F):
3. P(C and E):
4. P(A and F):

b) Are the events B and F independent? Why or why not?

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