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Recent questions tagged p282

A die is thrown and a card is selected at random from a deck of 52 laying cards.The probability of getting an even number on the die and a spade card is

asked Jan 10, 2013 by sreemathi.v

1 answer

Assume that in a family,each child is equally likely to be a boy or a girl.A family with three children is chosen at random.The probability that the eldest child is a girl given that the family has at least one girl is

asked Jan 10, 2013 by sreemathi.v

1 answer

Three persons,A,B and C,fire at a target in turn,starting with A.Thier probability of hitting the target are 0.4,0.3 and 0.2 respectively.The probability of two hits is

asked Jan 10, 2013 by sreemathi.v

1 answer

A bag contains 5 red and 3 blue balls.The probability that exactly two of the three balls were red,the first ball being red,is

asked Jan 10, 2013 by sreemathi.v

1 answer

A bag contains 5 red and 3 blue balls.If 3 balls are drawn at random without replacement the probability of getting exactly one red ball is

asked Jan 10, 2013 by sreemathi.v

1 answer

Two events E and F are independent.If $P(E)=0.3,P(E\cup F)=0.5$,then P(E|F) - P(F|E) equals

asked Jan 10, 2013 by sreemathi.v

0 answers

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