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A couple has 2 children. find the probab...

A couple has 2 children. find the probability that the both are boys if it is given that (i) one of the child is boy (ii) the older child is boy.

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RD SHARMA ENGLISH-PROBABILITY-All Questions
  1. If A and B are two events such that P(A)=0. 3 ,\ P(B)=0. 6\ a n d\ P(B...

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  2. If P\ (A)=3/8,\ P(B)=1/2a n d\ P(AnnB)=1/4,\ fin d\ P( A // B )a n d...

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  3. A couple has 2 children. find the probability that the both are boys i...

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  4. Consider a random experiment in which a coin is tossed and if the coin...

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  5. A coin is tossed twice and the four possible outcomes are assumed to b...

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  6. A coin is tossed, then a die is thrown. Find the probability of obt...

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  7. Two coins are tossed. What is the probability of coming up two heads i...

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  8. In a hostel 60% of the students read Hindi news paper, 40% read Englis...

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  9. Consider the experiment of tossing a coin. If the coin shows head, ...

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  10. If P(A)=7/(13),\ P(B)=9/(13)a n d\ P(AnnB)=4/(13),fin d\ P(A//B)dot

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  11. if A and B are events such that P(A)=0. 6 ,\ P(B)=0. 3\ a n d\ P(AnnB)...

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  12. If A and B are two events such that P(AnnB)=0. 32\ a n d\ P(B)=. 5 , t...

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  13. If P(A)=0. 4 ,\ P(B)=0. 8 ,\ P(B//A)=0. 6 . Find P(A//B) and P(AuuB)

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  14. If A and B are two events such that: P(A)=\ 1//3 , P(B)=1//4 and P(Auu...

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  15. If P (A) =6/(11), P(B) =5/(11)and P(AuuB)=7/(11), find(i) P(AnnB) (ii)...

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  16. If P(A)7/(13),P(B)=9/(13) and P(AnnB)=4/(13), find P(A/B)dot

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  17. If A and B are two events such that: P(A)=1/2 , P(B)=1/3 and P(AnnB)=1...

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  18. If A and B are two events such that 2 P(A)=P(B)=5/(13) find P(A ∩ ...

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  19. If P (A) =6/(11), P(B) =5/(11)and P(AuuB)=7/(11), find(i) P(AnnB) (ii)...

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  20. If P (A) =6/(11), P(B) =5/(11)and P(AuuB)=7/(11), find(i) P(AnnB) (ii)...

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