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Check whether the following probabilitie...

Check whether the following probabilities P(A) and P(B) consistently defined
(i) `P(A) = 0.5, P(B) = 0.7, P(A nn B) = 0.6`
(ii) `P(A) = 0.5, P(B) = 0.4, P(A uu B) = 0.8`

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The correct Answer is:
(i) No become `P(A nn B)` must be less than or equal to `P(A)` and `P(B)`, (ii) Yes.
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NCERT BANGLISH-PROBABILITY-EXERCISE 16.3
  1. A coin is tossed twice, what is the probability that atleast one tail ...

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  2. A die I thrown, find the probability of following events: (i) A prim...

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  3. A card is selected from a pack of 52 cards. (a) How many points are ...

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  4. A fair coin with 1 marked on one face and 6 on the other and a fair di...

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  5. There are four men and six women on the city council. If one council m...

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  6. A fair coin is tossed four times, and a person win Re 1 for each head ...

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  7. Three coin are tossed once. Find the probability of getting (i) 3 he...

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  8. If 2/11 Is the probability of occurring an event, what is the probabil...

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  9. A letter is chosen at random from the 'ASSASSINATION'. Find the probab...

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  10. In a lottery, a porson chosen six different natural numbers at random...

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  11. Check whether the following probabilities P(A) and P(B) consistently d...

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  12. Fill up the blanks in following table: P(A)" "P(B)" "P(A nn B" "P(A...

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  13. Given P(A) = 3/5 and P(B) = 1/5. Find P(A or B), if A and B are mutual...

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  14. If E and F are events such that P(E) = 1/4, P(F) = 1/2 and P(E and F) ...

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  15. Events E and F are such that P(not E or not F) = 0.25, State whether ...

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  16. A and B are events such that P(A) = 0.42, P(B) = 0.48 and P(A and B)...

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  17. In Class XI of a school 40 % of the students study Mathematies and 30...

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  18. In an entrance test that is graded of the basis of two examination, th...

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  19. The probability that a student will pass the final examinatin in both ...

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  20. In a class of 60 students. 30 opted for NCC, 32 opted for NSS and 24 o...

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