Three coins can come up in (2 x 2 x 2) = 8 different ways.
One tail can come up in 3 different ways . . . one for each coin.
The probability of one tail is (3/8) = 0.375 = 37.5%
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1/6
The probability is 50-50.
The probability of getting at least one tail in a flip of six coins is the same as the probability of not getting all heads, which is 1 - (0.56), or 0.984375.
At least two heads with two coins? You can't get more.There are 4 different outcomes:tail-tail, head-tail, tail-head and head-head.You can use one out of four - which gives us the probability 1/4 = 0.25 = 25%