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Recent questions tagged p285

True or False: If A and B are two independent events then P(A and B)=P(A).P(B).

asked Jan 10, 2013 by sreemathi.v

1 answer

True or False: Two independent events are always mutually exclusive.

asked Jan 10, 2013 by sreemathi.v

1 answer

True or False: If A and B are mutually exclusive events,then they will be independent also.

asked Jan 10, 2013 by sreemathi.v

1 answer

True or False: If A and B are independent events,then A and B are also independent.

asked Jan 10, 2013 by sreemathi.v

1 answer

True or False: Let P(A)>0 and P(B)>0.Then A and B can be both mutually exclusive and independent.

asked Jan 10, 2013 by sreemathi.v

1 answer

A box has 100 pens of which 10 are defective.What is the probability that out of sample of 5 pens drawn one by one with replacement at most one is defective?

asked Jan 10, 2013 by sreemathi.v

1 answer

A and B are two students.Their chances of solving a problem correctly are $\Large\frac{1}{3}$ and $\Large\frac{1}{4}$,respectively.If the probability of their making a common error is ,$\Large\frac{1}{20}$ and they obtain the same answer,then the probability of their answer to be correct is

asked Jan 10, 2013 by sreemathi.v

1 answer

In a college,30% students fail in physics,25% fail in mathematics and 10% fail in both.One student is chosen at random.The probability that she fails in physics if she has failed in mathematics is

asked Jan 10, 2013 by sreemathi.v

1 answer

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