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An unbiased coin is tossed 3 times in su...

An unbiased coin is tossed 3 times in succession, the probability of getting exactly one head is -

A

`(1)/(2)`

B

`(5)/(8)`

C

`(3)/(4)`

D

`(3)/(8)`

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The correct Answer is:
D
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CHHAYA PUBLICATION-PROBABILITY-MULTIPLE CHOICE TYPER QUESTIONS
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  2. If the events A,B, and C are mutully exclusive then P(Acup B cup C) =

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  3. If the events A and B are not mutually exclusive then P(AcupB) =

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  4. If the events A and B are mutually exclusive then-

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  5. If the events A,B, and C are mutully exclusive then P(Acup B cup C) =

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  6. Two dice are rolled. The probability of getting a sum 7 is -

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  7. For twos events A and B if P(A cup B) = (3)/(4) , P(A cap B) = (1)/(4)...

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  8. If the events A and B are equally likely, then P(A) =

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  9. If the probability of occurrence of an event is (3)/(7), then the odds...

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  10. If the odds in favour of an event are 7:3, then its probability of occ...

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  11. The number of equally likely event points contained in its sample spac...

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  12. The number of throwing n dice simultaneously, is -

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  13. If the probability of non-occurrence of an event is (4)/(7) then the o...

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  14. If the odds against an event are 4 : 5, then the probability of occurr...

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  15. A number is chosen at random from the first 11 natural numbers, then t...

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  16. An unbiased coin is tossed 3 times in succession, the probability of g...

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  17. The probability of gettting 11 when an ordinary die is thrown twice is...

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  18. Two events A and B are mutually exclusive, if P(A)= (1)/(2) and P(Acup...

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  19. Three events A,B and C are mutually exclusive and exhaustive: if P(A) ...

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  20. If P(AcapB) = (5)/(13), then the value of P(A^( c) cup B^( c)) is -

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