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The probability of solving a question by three students is respectively. Probability of question is being solved is ____.

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

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 A and B be two events such that and where stands for complement of event A. Then events A and B are ____.

Independent but not equally likely

Mutually exclusive and independent

Equally likely and mutually exclusive

Equally likely but not independent

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

A bag contains 8 black and 7 white balls. Two balls are drawn at random. Then for which the probability is more ____.

Both balls are white

One ball is white and one is black

Both balls are black

All of the above are equals

Two numbers are selected randomly from the set without replacement one by one. The probability that minimum of the two numbers is less than 4 is ____.

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

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

If where c stands for complement, then the events and are ____.

Mutually exclusive

Independent

Equally likely

None of the above

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

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 A and B be two events such that and where stands for complement of event A. Then events A and B are ____.

Independent but not equally likely

Mutually exclusive and independent

Equally likely and mutually exclusive

Equally likely but not independent

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

A bag contains 8 black and 7 white balls. Two balls are drawn at random. Then for which the probability is more ____.

Both balls are white

One ball is white and one is black

Both balls are black

All of the above are equals

Two numbers are selected randomly from the set without replacement one by one. The probability that minimum of the two numbers is less than 4 is ____.

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

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

If where c stands for complement, then the events and are ____.

Mutually exclusive

Independent

Equally likely

None of the above

Probabilty is an important chapter, hence another test

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