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 samplespace if one coin is tossed
{H,H}
{T,T}
{H,T}
0
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
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 mutually exclusive events then p(A∪B)=
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)
Two cards are drawn successively with replacement from a well-shuffled pack of 52 cards. The probability of drawing two aces is
1/13
1/13×1/17
1/52×1/51
1/13×1/13
What is the probability of getting a head while tossing a coin
1
2
What is the probability that there are 53 Sundays in a leap year ?
1/7
2/7
3/7
4/7
A die is rolled .If the outcome is an even number, what is the probability that it is a prime number
2/3
