If two coins are tossed once. What is the probability of getting atleast one head?
1/4
2/4
3/4
1
If
p(A)
1-p(A)
p(A)-1
1-(p(A))2
What is the probability that there are 53 Sundays in a leap year ?
1/7
2/7
3/7
4/7
The probability of getting either 1 or 2 when a die is thrown is
1/2
1/6
1/3
If two dice are tossed ,the probability that the product of numbers thrown will be greater than 23 is
5/36
7/36
1/9
A die is rolled .If the outcome is an even number, what is the probability that it is a prime number
3/6
2/3
In a non-leap year the probability of getting 53 Sundays or 53 Tuesdays or 53 Thursdays is
What is the resulting sample space if one coin is tossed ?
{H,H}
{T,T}
{H,T}
0
A bag contains 10 white and 20 red balls. The probability that a ball drawn at random is white equals
1/5
If A and B are mutually exclusive events, then p(A∩B)=
p(A).p(B)
p(A)+p(B)
None of these
