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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

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

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

A, B, C are any three events. If P (S) denotes the probability of S happening then ____.

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

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

If A and B are two independent events such that and then ____.

If A and B are two events such that and then ____.

If A and B are two mutually exclusive events, then ____.

Suppose that A, B, C are events such that then ____.

0.125

0.25

0.375

0.5

3/5

7/15

1/2

None of the above

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

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

A, B, C are any three events. If P (S) denotes the probability of S happening then ____.

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

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

If A and B are two independent events such that and then ____.

If A and B are two events such that and then ____.

If A and B are two mutually exclusive events, then ____.

Suppose that A, B, C are events such that then ____.

0.125

0.25

0.375

0.5

VARIOUS TYPES OF QUESTIONS ON PROBABILITY HAS BEEN INCLUDED IN THIS TEST

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