Three unbiased coins are tossed .what is the probability of getting at most two heads?
3/4
1/4
3/8
7/8
Which of the following cannot be the probability of an event
1/3
0.1
3%
17/16
Probability of an impossible event =
0
1
1/2
One card is drawn from a well -shuffled deck of 52 cards .Then probability of getting a spade is
1/52
12/19
In a school of 50 students there are 35 girls and rest are boys.Then the probability that a selected will be a boy is
3/10
1/5
7/5
4/5
What is the probability of getting a sum 9 from two throws of a disc.
1/6
1/8
1/9
1/12
The probability of getting at least one tail in 4 throws of a coin is
15/26
15/16
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
A car is accidently dropped from a pack of 52 playing cards .The probability that it is an ace is
1/13
1/26
12/13
One ticket is drawn at random from a bag containing tickets numbered 1 to 40 .The probability that the selected ticket has a number which is a multiple of 5 is
