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Well, lets see
3a. If you flip a coin once the sets are
heads
tails
3b. if you flip a coin twice the sets are:
heads/heads
heads/tails
tails/heads
tails/tails
3c. So when flipping a coin twice you have a 2 in 4 chance of getting one head/one tail combo. or a 50 percent chance.
I'm sure others will chime in and tell me I'm wrong!!!
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