A die is thrown twice. The probability that at least one of the two items comes up with the number 3 is
5/12
11/36
1/12
7/24
If A and B are mutually exclusive events, then p(A∩B)=
p(A).p(B)
0
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
Two unbiased dice are thrown. Find the probability that six may be obtained as product
6/12
4/12
6/9
1/9
A bag contains 10 white and 20 red balls. The probability that a ball drawn at random is white equals
1/3
1/2
1/4
1/5
What is the resulting sample space if one coin is tossed
{H,H}
{T,T}
{H,T}
If two dice are tossed ,the probability that the product of numbers thrown will be greater than 23 is
5/36
7/36
1/6
If two coins are tossed once. What is the probability of getting atleast one head?
2/4
3/4
1
