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A couple has two children. Find the prob...

A couple has two children. Find the probability that both are male if it is known that atleast one of them is a male child.

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The correct Answer is:
`(1)/(3)`
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AAKASH SERIES-PROBABILITY-Additional Solved Example
  1. A number is chosen from the first 100 natural numbers. Find the probab...

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  2. A box contains 2 red, 3 blue and 4 black balls. Three balls are drawn ...

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  3. A contractor submitted tenders for 2 works. If 0.4,0.6,0.1 are the res...

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  4. If A,B and C are mutually exclusive and exhaustive events such that P(...

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  5. A die is loaded so that six turns up twice as often as one and three t...

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  6. A couple has two children. Find the probability that both are male if ...

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  7. Two dice are thrown. Find the conditional probability that two fives o...

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  8. A pair of dice is thrown . Find the probability that the sum is 10 or ...

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  9. A die is thrown 3 times. Find the probability of the event of getting ...

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  10. A box contains 5 black, 4 white and 6 red balls. Two balls are drawn o...

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  11. A box contains 19 screws, 3 of which are defective, Two screws are dra...

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  12. A box contains 5 red balls , 6 green balls and 7 white balls. If three...

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  13. A bag B(1) contains 4 white balls and 2 black and another bag B(2) con...

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  14. Two fair dice are rolled once. Let A be the event of getting suum 10 a...

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  15. A consignment of 15 record players contains 4 efective. The record pla...

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  16. Four persons A,B,C,D cut a pack of 52 cards successively in that order...

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  17. A bag contains 6 white balls and 4 balck balls. A ball is drawn and is...

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  18. A card from pack of 52 cards is lost. From the remaining cards of pack...

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  19. Why does it pay to bet consistently on seeing 6 at least once in 4 thr...

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  20. p is the probability that a man aged 'x' years will die in a year. Fin...

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