The probabilities of a student getting I, II and III division in an examination are respectively and The probability that the student fails in the examination is ____.
None of the above
A bag x contains 3 white balls and 2 black balls and another bag y contains 2 white balls and 4 black balls. A bag and a ball out of it are picked at random. The probability that the ball is white, is ____.
3/5
7/15
1/2
None of the above
Suppose that A, B, C are events such that then ____.
0.125
0.25
0.375
0.5
If A and B are two mutually exclusive events, then ____.
If A and B are two events such that and then ____.
If A and B are two independent events such that and then ____.
The two events A and B have probabilities 0.25 and 0.50 respectively. The probability that both A and B occur simultaneously is 0.14. Then the probability that neither A nor B occurs is ____.
0.39
0.25
0.904
None of the above
The probability that at least one of A and B occurs is 0.6. If A and B occur simultaneously with probability 0.3, then ____.
0.9
1.15
1.1
1.2
A, B, C are any three events. If P (S) denotes the probability of S happening then ____.
None of the above
The probabilities of occurrence of two events are respectively 0.21 and 0.49. The probability that both occurs simultaneously is 0.16. Then the probability that none of the two occurs is ____.
0.30
0.46
0.14
None of the above