Probability of impossible event is
1
0
1/2
-1
The probability of getting a bad egg in a lot of 400 is 0.035. The number of bad eggs in the lot is
7
14
21
51
The probability for a randomly selected number out of 1,2,3,4, -----, 25 to be a prime number is
2/25
23/25
10/25
9/25
P(E’)=
1-P(E)
P(E)-1
The probability of getting a number greater than 2 or an even number in a single throw of a fair dice is
1/3
2/3
5/6
None of these
Some one is asked to take a number from 1 to 100. The probability that it is a prime
1/5
6/25
1/4
13/50
Which one can represent a probability of an event
7/4
-2/3
Two dice are thrown at a time.The probability that the difference of the numbers shown on the dice is 1 is
5/18
1/36
1/6
One card is drawn from a well-shuffled deck of 52 cards. Then the probability of getting a spade is.
1/52
The probability that in a family of 3 children, there will be at least one boy is
7/8
1/8
4/8
6/8
