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A fair coin is tossed 100 times. The pro...

A fair coin is tossed 100 times. The probability of getting tails 1, 3, .., 49 times is `1//2` b. `1//4` c. `1//8` d. `1//16`

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The correct Answer is:
`0.75`
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MCGROW HILL PUBLICATION-PROBABILITY-Exercises (Numerical Answer)
  1. Let A and B be two events, the probability that at least one of them o...

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  2. The probability that A speaks truth is 5/6, while this probability for...

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  3. There are 2m persons sitting in a row. Two of them are selected at ran...

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  4. Let S={{:[(a,b),(c,d)]:a,b,c,d in {0,1}:}} A matrix A is picked up at ...

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  5. Three boxes B1, B2 and B3, have the following composition of white an...

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  6. Let A,B and C be three events such that P(A)=0.50, P(B)=0.40, P(A nn...

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  7. E and F be two independent events such that P(E) lt P(F). The probabil...

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  8. Let A and B be two events such that P(A) = 1/3, P(B) = 1/4 and P( A nn...

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  9. Three numbers are chosen from the set {1, 2, 3, ..., 40} at random wit...

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  10. A random variable X has the following probability distribution: ...

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

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  12. A pair of fair dice is rolled together till a sum of 7 or 11 is obtain...

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  13. In a competitive examination, an examinee either guesses or copies or ...

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

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  15. The digits 1, 2, 3, 4, 5, 6, 7, 8, and 9 are written in random order t...

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  16. Two squares are chosen at random on a chessboard. If p denotes the pro...

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  17. In a multiple choice question, there are five alternative answers of w...

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  18. Two persons each make a single throw with a pair of dice. The probabil...

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  19. In a sequence of independent trials, the probability of success is 1/4...

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  20. A fair coin is tossed 100 times. The probability of getting tails 1, 3...

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