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Two fair dice are thrown. If the sum of ...

Two fair dice are thrown. If the sum of two numbers obtained is 8, then the probability that the first number is a 6 will be

A

`1/6`

B

`5/36`

C

`1/4`

D

none of these

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UNITED BOOK HOUSE-Question Paper 2014-Exercise
  1. If alpha, beta, gamma are the roots of the equation px^3 - qx + r = 0,...

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  2. For any two events A and B. Which of the following is correct?

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  3. Two fair dice are thrown. If the sum of two numbers obtained is 8, the...

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  4. If the number of educated persons is 65% of the population, then in Pi...

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  5. If the AM of 13, 15, 16, 12, x be y and that of 13, 15, 16, 12 , y be ...

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  6. If arithmetic mean and coefficient of variation of x is 6 and 50% resp...

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  7. If 2u = 5x and the harmonic mean of x is -0.4, then find the harmonic ...

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  8. If P(A uu B) = 2/3 then find the value of P(A^C nn B^C).

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  9. If P(A | B) = a and P(B) = b, then express P(B - A) in terms of a and ...

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  10. What is the probability of drawing one white ball from a bag containin...

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  11. If P(A | B) = 1/4 , then what is the value of P(A^C/B)?

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  12. If P(A1) = 0.2, P(A2) = 0.1 and P(A3) = 0.3 and these events are mutua...

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  13. If the cost of a dozen eggs is Rs. 48. Let's find the cost of 32 eggs.

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  14. Write true or false: "Index number is unit free number".

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  15. Find the arithmetic mean of first n odd positive integers.

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  16. Find the harmonic mean of 1, 1/2. 1/3,………..1/n

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  17. If the standard deviation of the set of numbers 1,2,3,……….k is 2, then...

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  18. What are the limitations of the classical definition of probability?

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  19. If P(A) = 1/2, P(B) = 1/3 and P(A^C nn B^C) = 5/12 find P(A/B).

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  20. If P(A uu B) = 7/12 and P(A) = 1/3 for two independent events A and B,...

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