If 5 coins are tossed simultaneously, then the probability that at least one head turning up is.
1/32
5/32
7/16
31/32
In a probability distribution of random variable x, the sum of the probabilities is always.
less than 1
0
1
greater than 1
Five horses are in a race . Mr. A selected two of the horses at random and bets on them. The probability that
Mr. A selected the winning horse is.
4/5
3/5
1/5
2/5
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
The probability that a leap year will contain 53 Sundays is
1/7
2/7
4/7
5/7
In a school of 50 students there are 35 girls and rest are boys, then the probability that a selected student will be a boy is
3/10
7/5
Three distinct numbers are selected from first 100 natural numbers, then probability that all three numbers are divisible by 2 and 3 is.
4/25
4/35
4/55
4/1155
A random variable has the following probability distribution.
then the value of P is.
-1/10
1/10
-1
5
Two dice are thrown simultaneously , then the probability of getting an even number as the sum is
1/2
1/3
1/4
The probability that the 3 cards drawn from a pack of 2 cards are all red is.
1/17
3/19
2/19
2/17
