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Ten coins are tossed. What is the probability of getting at least 8 heads?
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Ten coins are tossed. What is the probability of...
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Nov 20, 2021
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JackTerrance
Ten coins are tossed. What is the probability of getting at least 8 heads? Select the correct answer from above options
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answered
Nov 20, 2021
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JackTerrance
Best answer
Here we have, n = 10, p = ½ and q = 1 – ½ = ½ P(X ≥ 8) = P(x = 8) + P(x = 9) + P(x = 10) Therefore, the required probability is 7/128.
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