The probability that a worker with occupational exposure to dust contracts a lung disease is 0.2. three such workers are checked at random. find the probability that

a. none of the three workers contracted a lung disease.

b. at least one of them contracted a lung disease

Question

Deborah Choi

7 November, 16:05

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Kaden Ibarra · Answer 1

i think b. at least one of them contracted a lung disease

The probability that a worker with occupational exposure to dust contracts a lung disease is 0.2. three such workers are checked at random. find the probability thata. none of the three workers contracted a lung disease.b. at least one of them contracted a lung disease