Probability test--I

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
Description:

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

Discussion

J GANESH KUMAR

easy test

4286 days 14 minutes ago

J GANESH KUMAR

excellent test,but was easy!probability!

4286 days 14 minutes ago

Kajal Sengupta
Physics 9th to 12 th grade,CIE, Edexcel, AP, IB , CBSE, ICSE
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