Two cards are drawn successively with replacement from a well-shuffled pack of 52 cards. The probability of drawing two aces is
1/13
1/52
If
p(A)
1-p(A)
p(A)-1
1-(p(A))2
If A and B are mutually exclusive events, then p(A∩B)=
p(A).p(B)
0
p(A)+p(B)
None of these
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
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
1/6
If two coins are tossed once. What is the probability of getting atleast one head?
1/4
2/4
3/4
1
A bag contains 20 coloured balls.8 are red,6 are blue,3 are green,2 are white and 1 is brown.A ball is chosen at random from the bag.What is the probability that the ball chosen is blue or red?
6/20
8/20
14/20
