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Find the number of ways of selecting a captain and a vice captain from a team of 5 players.a.20, b.49, c.35, d.70?
The probability of an event is 3/5. The probability of the complementary event is:A.1/5,B.2/5,C.3/5,D.4/5?
Twelve tickets are sold in a raffle which has 2 prizes. If you buy 5 tickets, the probability of winning at least one prize is?
A card is chosen at random from a standard pack. What is the probability that the card is not a black three?
A ball is selected at random from a box holding 6 red,5 white and 4 black balls.what is the probability that the ball is red or black?
Two balls are drawn (drawn replacement) from a bag containing 12 red, 3 white and 1 blue balls.what is the probability that both are red?
Two balls are drawn (with replacement) from a bag containing 12 red,3 white, and 1 blue balls?