The Ralph Bunche Computer Minischool in New York City ran the Great Penny toss.
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On average, 5 times.
1 in 2 to get tails on first toss 1 in 2 to get heads on second toss To get tails on first toss and heads on second toss, probability is 1/2 x 1/2 = 1 in 4
7
Independent
The probability of a coin landing on heads is 0.5. It does not matter which toss it is, and it does not matter what the toss history was.