Thread: [SOLVED] N coins are flipped, what is the probability?
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Old June 3rd, 2009, 07:29 PM
mark1950 mark1950 is offline
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Default [SOLVED] N coins are flipped, what is the probability?
n coins are flipped, and you are given that at least 1 of them is heads. The probability that at least one other coin is heads is 19/21. How many coins do you have?
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