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The chance of an event happening is the ...

The chance of an event happening is the square of the chance of a second event but the odds against the first are the cube of the odds against the second. The chances of the events are

A

`(1)/(3)`

B

`(1)/(9)`

C

`(2)/(3)`

D

`(4)/(9)`

Text Solution

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The correct Answer is:
B
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DISHA PUBLICATION-PROBABILITY-1-EXERCISE-1 : CONCEPT BUILDER
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  2. Let A ,B ,C be three events such that P(A)=0. 3 ,P(B)=0. 4 ,P(C)=0. 8 ...

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  3. Events A, B, C are mutually exclusive events such that P(A)=(3x+1)/(3)...

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  4. In a horse race the odds in favour of three horses are 1 : 2, 1 : 3 an...

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  5. A natural number x is chosen at random from the first one hundred natu...

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  6. If (1+4p)/(4),(1-p)/(3) and (1-2p)/(2) are the probabilities of three ...

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  7. A die is rolled. Let E be the event die shows 4 and F be the event ...

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  8. A die is loaded in such a way that each odd number is twice all likely...

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  9. Amar and Bimal are two contestants for an election, probability that A...

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  10. The probabilities of three events A ,B ,a n dC are P(A)=0. 6 ,P(B)=0. ...

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  11. The probability of choosing at random a number divisible by 6 or 8 fro...

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  12. The odds in favour of the occurrence of an event are 3:5. Find the pro...

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  13. A card is drawn at random from a pack of cards. What ist the probabili...

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  14. In a single throw of two dice, the probability of getting a total of ...

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  15. The probability that a company executive will travel by train is 2/3 a...

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  16. The probability that a company executive will travel by train is 2/3 a...

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  17. A positive integer N is selected so as to be 100ltNlt200. Then, the pr...

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  18. Card is drawn from a pack of 52 cards. A persons bets that it is a spa...

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  19. The chance of an event happening is the square of the chance of a seco...

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  20. If P(B)=3/4, P(AnnBnnbarC)=1/3 and P(barAnnBbarC)=1/3 then P(BnnC)=

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