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Mathematics
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OpenStudy (study312):
I need a quick refresher on probability
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OpenStudy (study312):
Isla flipped a coin 30 times. The coin landed heads up 9 times and tails up 21 times. What is the theoretical probability of the coin landing heads up? How do I get 50%
OpenStudy (study312):
I know that the chance of getting heads or tails is 50% but I forget how to get there
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