What is the probability of getting a head while tossing a coin
1/2
1
2
0
If A and B are mutually exclusive events, then p(A∩B)=
p(A).p(B)
p(A)+p(B)
None of these
If A and B are two events in a sample space then
p(A?B)?p(A)+p(B)
p(A?B)=p(A)+p(B)
none of these
If p(A?B)=1/4 ,p(A'?B')=1/5 and p(A)=p(B)=p then p=
1/20
21/40
11/40
none
If two coins are tossed once. What is the probability of getting atleast one head?
1/4
2/4
3/4
Two cards are drawn successively with replacement from a well-shuffled pack of 52 cards. The probability of drawing two aces is
1/13
1/52
Two unbiased dice are thrown. Find the probability that six may be obtained as product
6/12
4/12
6/9
1/9
The probability of getting either 1 or 2 when a die is thrown is
1/6
1/3
Suppose an outcome A occurs m times out of n equally likely outcomes in an experiment.Then odds in favour of A =
n/m
m/n
(n-m)/m
m/(n-m)
