What is the probability of getting a head while tossing a coin
1/2
1
2
0
Nine playing cards are numbered 2 to 10 .A card is selected from them at random. probability that the card will be a multiple of 4 is
1/9
2/9
2/10
1/10
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)
p(A∪B)=p(A)+p(B)
none of these
What is the resulting samplespace if one coin is tossed
{H,H}
{T,T}
{H,T}
If A and B are mutually exclusive events then p(A∪B)=
p(A).p(B)
p(A)+p(B)
None of these
Two unbiased dice are thrown. Find the probability that six may be obtained as product
6/12
4/12
6/9
If A and B are mutually exclusive events, then p(A∩B)=
A normal die is rolled.The probability that the number on the uppermost face when it stops rolling will not be 5 is
1/6
2/6
3/6
5/6
A bag contains 10 white and 20 red balls. The probability that a ball drawn at random is white equals
1/3
1/4
1/5
If A and B are two events such that p(A)=1/4 ,p(B)=1/2 and p(A and B)=1/8 .Then p(notA and notB) is
1/8
3/8
5/8
7/8
