What is the resulting samplespace if one coin is tossed
{H,H}
{T,T}
{H,T}
0
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
Two unbiased dice are thrown. Find the probability that six may be obtained as product
6/12
4/12
6/9
1/9
If A and B are mutually exclusive events then p(A∪B)=
p(A).p(B)
p(A)+p(B)
None of these
A bag contains 20 coloured balls.8 are red,6 are blue,3 are green,2 are white and 1 is brown.A ball is chosen at
random from the bag.What is the probability that the ball chosen is blue or red?
6/20
8/20
14/20
1
A single letter is selected at random from the word PROBABILITY .The probability that it is a vowel is
4/11
7/11
3/11
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
2/9
2/10
1/10
What is the probability that there are 53 Sundays in a leap year ?
1/7
2/7
3/7
4/7
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 die is rolled .If the outcome is an even number, what is the probability that it is a prime number
1/3
2/3