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It is known that a family has 3 childern...

It is known that a family has 3 childern and at least 1 of these 3 childern is girl. Find the probability that all of the 3 chilidren are girl.

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The correct Answer is:
`(1)/(7)`
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CHHAYA PUBLICATION-PROBABILITY-VERY SHORT ANSWER TYPE QUESTION
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  6. Can the following represent measures of probability : P(A) = 0.3, P(...

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  7. For three mutually exclusive events X,Y and Z it is given that P(X) = ...

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  8. A number is chosen at random from the numbers 1, 2,…, 15. find the pro...

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  9. From a pack of 52 cards , 1 card is drawn at random. Find the chance o...

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  10. What is the probability of obtaining 7 points with the rolling of two ...

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  11. What is the chance of picking a spade or an ace not of spade from a pa...

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  12. A box contains 2 gold and 3 silver coins. Another box contains 3 gold...

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  13. A fair die is thrown. Write down the sample space. What is the chance ...

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  14. An unbiased coin is tossed two times. Write down the sample space. Hen...

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  15. Given that a family of two children has a boy , what is the probabilit...

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  16. It is known that a family has 3 childern and at least 1 of these 3 chi...

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  17. A and B are two events, not mutually exclusive, connected with a rando...

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  18. A and B are two events, not mutually exclusive, connected with a rando...

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  19. A and B are two events, not mutually exclusive, connected with a rando...

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  20. A coin is tossed n times. Find the probability of odd numbers of heads...

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