XP Math - Forums - View Single Post - A coin is tossed five times. Find the probability of getting exactly three heads.?
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A coin is tossed five times. Find the probability of getting exactly three heads.?
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07-26-2007
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The One Who Knows (Swamy)
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The probability of getting a head in each toss is 1/2. Similarly the probability of getting a tail is also 1/2. The probability distribution is binomial.(H + T)^5 and the coefficient of the term H^3 will be the probability.
The One Who Knows (Swamy)