Three people toss a fair coin and the odd one pays for coffee. If the coins all turn up the same, they are tossed again. Find the probability that fewer than 5 tosses are needed.
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Three people are tossing a fair coin, and the odd one out pays for coffee. If all coins are the same (all heads or all tails), they toss again. We need to find the probability that fewer than 5 tosses are needed. Show more…
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