BrainMass Quizzes Probability Quiz Some questions on probability 1 A bag contains 3 black and 2 red balls. One by one 3 balls are drawn from the bag without replacement. The probability that the third ball is red, is 1/4 2/5 3/5 1/3 2 Seven chits are numbered 1 to 7. Four chits are drawn one by one with replacements. The probability that the least number on any selected chit is 5, is 1-(2/7)^4 4(2/7)^4 (3/7)^4 1/2 3 A box contains 100 tickets numbered 1 to 100. Two tickets are chosen at random. It is given that the maximum number on them is not more than 10, the minimum is 5 with probability 4/45 1/9 8/45 1/18 4 Three numbers are selected from the set {1,2,3…10} . The probability that all the selected numbers are consecutive or no two of them are consecutive is equal to. 7/15 8/15 1/3 2/3 5 When a missile is fired from a ship, the probability that it is intercepted is 1/3. The probability that the missile hits the target, given that it is not intercepted is 3/4. If three missiles are fired independently from the ship the probability that 1/12 1/8 3/8 3/4 Submit Quiz