If A and B are mutually exclusive events with P(A) = 1/2 x P(B) and AυB = S, then P(A) is equal to
2/3
1/3
1/4
3/4
P(A) = 4/5, P(B') = 2/5 and P(A∩B) = 1/2, then P(A∩B') is
3/10
5/2
2/5
5/7
The probability that at least one of the events A and B occurs is 0.6. If A and B occur simultaneously with probability 0.2, then is
0. 4
0.8
1.2
1.4
If P(A) = P(B) = P(C) = 1/4, P (AB) = P (CB) = 0 and P(AC) = 1/8, then P(A+B) is equal to
5/8
37/64
1/2
If A and B are two independent events such that P(A∩B') = 3/25 and P(A' ∩B) = 8/25, then P(A) is
1/5
3/8
4/5
If P(A) = P(B) = x and P(A∩B) = P(A'∩B') = 1/3, then x is equal to
1/6
If the probability of A to fail in an examination is 0.2 and that for B is 0.3, then probability that either A or B is fail, is
0.5
0. 44
0. 8
0. 25
If the random variable X takes the values x1,x2,x3,....x10 with probabilities P(X = xi) = Ki then the value of K is equal to.
1/10
1/55
7/12
A coin and six faced die, both unbiased, are thrown simultaneously. The probability of getting a head on the coin and an odd number on the die, is
What is the probability of getting a head while tossing a coin
1
2
0
