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A fair coin is tossed repeatedly. If tai...

A fair coin is tossed repeatedly. If tails appear on first four tosses, what is the probability of head appearing on the fifth toss ?

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When a fair coin is tossed, each toss is independent of other `therefore` (Head in 5th toss) =1/2
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MBD PUBLICATION-THREE DIMENSIONAL GEOMETRY-QUESTION BANK
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  16. A cartoon contains 20 bulbs, 5 of which are defective. Find the proba...

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  17. An unbiased coin is tossed n times. Let X denote the number of times ...

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  18. An experiment succeede twice as often as it fails. Find the probabilit...

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  19. Find the expectation of the number of tails in 15 tosses of a coin.

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  20. If the sum of the mean and the variance of a binomial distribution for...

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