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pr(exactly 4 out of 8 cured) = ₈C₄ × (98/100)⁴ × (1 - 98/100)⁴ = 103305233920/10000000000000000

≈ 0.00001

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6y ago
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6y ago

The probability that exactly four are cured is 0.00001, approx.

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Q: What us the probability that 4 out of 8 dolphins are cured when treated with an antibiotic that cures 98 percent of all dolphins?
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