/
None of the above
The probabilities of a student getting I, II and III division in an examination are respectively and The probability that the student fails in the examination is ____.
None of the above
Two coins are tossed. Let A be the event that the first coin shows head and B be the event that the second coin shows a tail. Two events A and B are ____.
Mutually exclusive
Dependent
Independent and mutually exclusive
None of the above
Two fair dice are tossed. Let A be the event that the first die shows an even number and B be the event that the second die shows an odd number. The two event A and B are ____.
Mutually exclusive
Independent and mutually exclusive
Dependent
None of the above
The chances to fail in Physics are 20% and the chances to fail in Mathematics are 10%. What are the chances to fail in at least one subject?
28%
38%
72%
82%
If are any n events, then ____.
None of the above
The probability that at least one of the events A and B occurs is 3/5. If A and B occur simultaneously with probability 1/5, then is ____.
Let S be a set containing n elements and we select 2 subsets A and B of S at random then the probability that and is ____.
1/n
Two friends A and B have equal number of daughters. There are three cinema tickets which are to be distributed among the daughters of A and B. The probability that all the tickets go to daughters of A is 1/20. The number of daughters each of them have is ____.
4
5
6
3
5 boys and 5 girls are sitting in a row randomly. The probability that boys and girls sit alternatively is ____.
5/126
1/126
4/126
6/125