Find the probability that amongst 15 students visiting Mexico?
The probability of contracting a stomach virus while visiting Mexico is 60%. Find the probability that amongst 15 students visiting Mexico, More than one student contracts a stomach virus
Mathematics - 1 Answers
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It is a binomial distribution with P(virus) = .6, P(no virus) = .4 P(0) = (.4)^15 = 0.0000011 P(1) = (15 C 1 ) * (.6)^1 * (.4)^14 = .0000242 P(more than one) = 1 - P(0) - P(1) = .9999747 That's almost a certainty, so in Mexico always look for agua purificado.
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