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A coin is tossed four times....

A coin is tossed four times.

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The correct Answer is:
{HHHH, HHHT, HHTH, HTHH, THHH, HHTT, HTHT, HTTH, THHT, THTH, TTHH, HTTT, THTT, TTHT, TTTH, TTTT}
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