Binomial Probability Calculator
What is the probability of at least 2 heads in 5 coin flips?
The probability of at least 2 successes is 81.25%.
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Binomial Probability Calculator answers
Find the probability of exactly, at least, or at most a target number of successes across repeated independent trials with the same success probability. Browse exact answer pages that use this calculator and link back to the same tool.
Binomial Probability Calculator
What is the probability of exactly 4 heads in 6 coin flips?
The probability of exactly 4 successes is 23.4375%.
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What is the probability of at most 2 heads in 5 coin flips?
The probability of at most 2 successes is 50%.
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What is the probability of at least 1 head in 4 coin flips?
The probability of at least 1 success is 93.75%.
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What is the probability of exactly 2 heads in 4 coin flips?
The probability of exactly 2 successes is 37.5%.
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What is the probability of exactly 3 heads in 5 coin flips?
The probability of exactly 3 successes is 31.25%.
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