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

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

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  5. The probability that out of 10 person, all born in June, at least two ...

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  6. A bag contains 4 brown and 5 white balls. A man pulls two balls at ran...

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  7. Aa n dB toss a fair coin each simultaneously 50 times. The probability...

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  8. Let omega be a complex cube root unity with omega!=1. A fair die is th...

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  9. In a convex hexagon two diagonals are drawn at random. The probability...

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  10. Three dice are thrown. The probability of getting a sum which is a per...

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  11. If 10 objects are distributed at random among 10 persons, then find...

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  12. A natural number is chosen at random from the first 100 natural num...

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  13. The probability that the two digit number formed by digits 1, 2, 3, 4,...

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  14. Two persons each make a single throw with a- pair of dice. The probabi...

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  15. From 80 cards numbered 1 to 80, two cards are drawn at random. The pro...

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  16. Cards are drawn one-by-one at random from a well-shuffled pack of 52 ...

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  17. x(1) , x(2) , x(3)… . x(50) are fifty real numbers such that x(r) lt x...

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  18. The chance that the vowels are separated in an arrangement of the l...

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  19. In four schools B(1),B(2),B(3),B(4) the percentage of girls students...

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  20. If the integers m and n are chosen at random between 1 and 100, then t...

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