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A box of oranges is inspected by examini...

A box of oranges is inspected by examining three randomly selected oranges drawn without replacement. If all the three oranges are good, the box is approved for sale otherwise it is rejected. Find the probability that a box containing 15 oranges out of which 12 are good and 3 are bad one will be approved for sale .

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The correct Answer is:
Therefore, the probability that the box is approved for sale ` = (44)/(91)`
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SUBHASH PUBLICATION-PROBABILITY-Two marks questions with answers
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  2. A black and a red die are rolled. Find the conditional probability...

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  3. A box of oranges is inspected by examining three randomly selected ora...

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  4. A fair coin and an unbiased die are tossed. Let A be the event 'head a...

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  5. A Die marked 1, 2, 3 in red and 4. 5, 6 in green is tossed. Let A be ...

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  6. Let E and F events with P(E) = (3)/(5), P(F) = (3)/(10) and P(Ecap F) ...

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  7. Given that the event A and B are such that P(A) = 1//2, P (Acup B) = ...

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  8. Given that the events A and B are such that P(A)=(1)/(2)," and "P(A cu...

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  9. Let A and B be independent events with P(A) = 0 . 3 and P(B) = 0 . 4, ...

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  10. Let A and B be independent events with P(A) = 0 . 3 and P(B) = 0 . 4, ...

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  11. Let A and B be independent events with P(A) = 0 . 3 and P(B) = 0 . 4, ...

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  12. Let A and B be independent events with P(A) = 0 . 3 and P(B) = 0 . 4, ...

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  13. If E and F are two evetns such that P(E) = (1)/(4) , P(F) =(1)/(2) an...

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  14. Events A and B are such that P(A) = (1)/(2) , P (B) = (7)/(12) P (no...

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  15. Given two independent events A and B such that P(A) = 0 . 3, P (B) = 0...

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  16. Given two independent events A and B such that P(A) = 0 . 3, P (B) = 0...

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  17. Given two independent events A and B such that P(A) = 0 . 3, P (B) = 0...

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  18. Given two independent events A and B such that P(A) = 0 . 3, P (B) = 0...

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  19. A die is tossed thrice. Find the probability of getting an odd number ...

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

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