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If each element of a second order determ...

If each element of a second order determinant is either zero or one, what is the probability that the value of the determinant is positive? (Assume that the individual entries of the determinant are chosen independently, each value being assumed

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MODERN PUBLICATION-PROBABILITY-Miscellaneous Exercise on Chapter 13
  1. A and B are two events such that P(A)!=0.Find P(B|A), if (i) A is a s...

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  2. A couple has two children, (i) Find the probability that both children...

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  3. Suppose that 5% of men and 0.25% of women have grey hair. A grey ha...

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  4. Suppose that 90% of people are right-handed. What is the probabilit...

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  5. An urn contains 25 balls of which 10 balls bear a mark "X" and the ...

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  6. In a hurdle race, a player has to cross 10 hurdles. The probability t...

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  7. A die is thrown again and again until three sixes are obtained. Find t...

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  8. If a leap year is selected at random, what is the chance that it will ...

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  9. An experiment succeeds twice as often as it fails. Find the probabi...

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  10. How many times must a man toss a fair com so that the probability o...

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  11. In a game, a man wins a rupee for a six and loses a rupee for any o...

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  12. Suppose we have four boxes A,B,C and D containing coloured marbles ...

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  13. Assume that the chances of a patient having a heart attack is 40%. ...

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  14. If each element of a second order determinant is either zero or one, ...

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  15. An electronic assembly consists of two subsystems, say, A and B. Fr...

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  16. Bag I contains 3 red and 4 black balls and Bag II contains 4 red an...

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  17. If A and B are two events such that P(A)ne0 and P(B//A)=1, then :

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  18. If P(A//B)gt P(A), then which of the following is correct :

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  19. If A and B are any two events such that P(A)+P(B)-P( A "and" B)=P(A), ...

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