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A family has two children. What is the p...

A family has two children. What is the probability that both the children are boys given that at least one of them is a boy ?

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` (1)/(3)`
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SUBHASH PUBLICATION-PROBABILITY-Two marks questions with answers
  1. A die is tossed thrice. Find the probability of getting an odd number ...

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  2. An urncontains 5 red and 2 black balls. Two balls are randomly selecte...

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  3. A coin is biased so that the head is 3 times as likely to occuras tail...

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  4. Two cards are drawn successfully with replacement from a well- shuffle...

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  5. A family has two children. What is the probability that both the child...

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  6. A fair die is rolled . Consider events E = {1, 3, 5} F = {2, 3} and G ...

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  7. A fair die is rolled . Consider events E = {1, 3, 5} F = {2, 3} and G ...

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  8. A fair die is rolled . Consider events E = {1, 3, 5} F = {2, 3} and G ...

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  9. Assume that each child born is equally likely to be boy or a girl . If...

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  10. Assume that each child born is equally likely to be boy or a girl . If...

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  11. An instructor has a question bank consisting of 300 easy true /false q...

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  12. Given that the two numbers appearing on throwing two dice are differen...

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  13. Consider the experiment of throwing a die, if a multiple of 3 comes up...

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  14. An urn contains 5 red and 5 black balls. A ball is drawn at random, it...

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  15. A beg contains 4 red and 4 black , another bag contains 2 red and 6 bl...

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  16. Let x, represents the difference between number of heads and the numbe...

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  17. Find the probability distribution of number of heads in two tosse...

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  18. Find the probability distribution of number of tails in the simu...

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  19. Find the probability distribution of number of heads in four tos...

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  20. A coin is biased so that the head is 3 times as likely to occuras tail...

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