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OpenStudy (anonymous):
peter flips a coin 50 times what is the probability of flipping a heads?
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OpenStudy (slaaibak):
50 choose 1 * 0.5^49 * 0.5^1
OpenStudy (slaaibak):
That's assuming you only get one heads
OpenStudy (slaaibak):
Probability of flipping at least one heads: 1 - 0.5^50
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