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anonymous
 5 years ago
The recovery rate from a flu is 0.6. For 4 people having this flu, find the probability that:
(a) All will recover:
(b) Exactly 2 will recover:
(c) At least 2 will recover:
Assume independence Answers should be exact
anonymous
 5 years ago
The recovery rate from a flu is 0.6. For 4 people having this flu, find the probability that: (a) All will recover: (b) Exactly 2 will recover: (c) At least 2 will recover: Assume independence Answers should be exact

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0a. All recover: (.6)^4 b. Exactly 2 recover: This follows a binomial distribution. The formula for this is: xCy * (p)^x * (p)^(xy) 4C2 * (0.6)^4(0.4)^2

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0c. At least 2 recover: P(Exactly 2) + P(Exactly 3) + P(Exactly 4) Or, 1P(Exactly 0) + P(Exactly 1). Thus, 1(10.6^4) + 4C1 * (0.6)^1 * (0.4)^3

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0can you explain this a little bit better because when i try to get the answer no matter which way i do it i cant get the correct answer for b and c
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