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

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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The probability would be that of independently rolling a five once, multiplied by the same probability for a second time.The two rolls are treated independently with P(5) = probability of rolling a single '5' = 1/6.P(5,5) = Probability of rolling one 5 and then another 5, out of two rollsp(5,5)=p(5 AND 5)=p(5)*p(5)=(1/6)*(1/6)=1/36So it's 1/36, or 0.0278

It changes from country to country. In the UK, it is 49% because the queens head side is heavier. In the U.S. both sides are completely equal, as heads and tails is treated as an important game there.

2

Urinary Tract Infections

not much.

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adequete treatment ,early recongnisation ,antibiotic terapy

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