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A fair coin is tossed 99 times. Let X be...

A fair coin is tossed 99 times. Let X be the number of times heads occurs. Then (P(X=r) is maximum when r is

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A fair coin is tossed 99 times. If X is the number of times heads occur, then P(X=r) is maximum when r is 49 , 50 b. 50 , 51 c. 51 , 52 d. none of these

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RD SHARMA ENGLISH-BINOMIAL DISTRIBUTION -All Questions
  1. A fair coin is tosed n times. Let X denote the number of times head oc...

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  2. One hundred identical coins, each with probability 'p' of showing head...

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  3. A fair coin is tossed 99 times. Let X be the number of times heads occ...

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  4. How many times must a man toss a fair coin, so that the probability...

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  5. If the mean and variance of a binomial variable X are 2 and 1 respe...

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  6. A biased coin with probability p, 0 lt p lt 1, of heads is tossed unti...

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  7. about to only mathematics

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  8. If X follows a binomial distribution with parameters n=100 and p=(1)...

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  9. A fair die is tossed eight times,. The probability that a third six is...

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  10. about to only mathematics

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  11. A five-digit number is written down at random. The probability that th...

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  12. If a fair coin is tossed 9 times, find the probability of (a) exactly ...

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  13. IF the mean and the variance of a binomial distribution are 4 and 3 re...

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  14. A coin is tossed 4 times . The probability of getting atleast one head...

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  15. For a binomial variate X, if n=3\ a n d\ P(X=1)=8\ P(X=3),\ t h e n\ p...

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  16. A coin is tossed n times. The probability of getting head atleast once...

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  17. The probability of selecting a male or a female is same. If the probab...

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  18. A box contains 100 pens of which 10 are defective. What is the probabi...

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  19. Suppose a random variable X follows the binomial distribution with par...

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  20. In the probability that a person is not a swimmer is 0.3, then the pro...

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