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Say True or False giving reason : P(A)...

Say True or False giving reason :
P(A) = 0.4, P (B) = 0.25, P (A or B) = 0.65 . A and B are mutually exclusive events.

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MODERN PUBLICATION-PROBABILITY -EXERCISE
  1. In a simultaneous throw of two dice if A denotes the event ‘a total of...

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  2. Say True or False giving reason : P (A) = 1/3, P (B) =2/3 , A and B ...

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  3. Say True or False giving reason : P(A) = 0.4, P (B) = 0.25, P (A or ...

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  4. Say True or False giving reason : P (A) = 0.35, P (B) = 0.65 , A and...

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  5. Say True or False giving reason : P(A) = 0.3, P (B) = 0.45, P (A and...

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  6. A and B are two mutually exclusive events of an experiment. If P (not ...

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  7. A,B and C are three mutually exclusive and exhaustive events associat...

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  8. Find the probability that when a hand of 7 cards is drawn from a well ...

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  9. Find the probability that when a hand of 7 cards is drawn from a well ...

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  10. Find the probability that when a hand of 7 cards is drawn from a well ...

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  11. 4 cards are drawn from a well shuffled deck of 52 cards. What is the ...

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  12. A die has two faces each with number ‘1’, three faces each with number...

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  13. A die has two faces each with number ‘1’, three faces each with number...

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  14. A die has two faces each with number ‘1’, three faces each with number...

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  15. A box contains 10 red marbles, 20 blue marbles and 30 green marbles. 5...

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  16. A box contains 10 red marbles, 20 blue marbles and 30 green marbles. 5...

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  17. Three letters are dictated to three persons and an envelope is address...

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  18. Out of 100 students, two sections of 40 and 60 are formed. If you and ...

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  19. Out of 100 students, two sections of 40 and 60 are formed. If you and ...

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  20. In a certain lottery 10,000 tickets are sold and ten equal prizes are ...

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