Question

a) Suppose A and B are events such that P(A)=0.2, P(B)=0.6 and P(A or B)=0.68. Are A and B independent events?

b) A small college athletics group has 40 members in four teams: 10 basketball players, 10 swimmers, 10 tennis players and 10 hockey players. If 5 athlets are randomly selected (without replacement) what is the probability that we get at least one athlet from each team?

	1.	a) yes      b) 0.27
	2.	a) not enough information given       b) 0.998
	3.	a) not enough information given       b) 0.27
	4.	a) yes       b) 0.07
	5.	a) no       b) 0.27

explain your answer

Answer 1