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

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

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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 …

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