Probability of two heads in two tosses

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Someone reasons that when a coin is tossed, there are three possible outcomes: it comes up heads or tails or it lands on it edge. With three outcomes on each toss, the fundamental counting rule suggests that there are nine possibilities (from 3 times 3=9) for two tosses of a coin. It therefore follows that the probability of two heads in two tosses is 1/9. is this reasoning correct? If not, what is wrong?

Reference no: EM132144084

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