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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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Storm Storm
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A manufacturing company has 5 identical machines that produce nails. The probability that a machine will break down on any given day is .1 . Define a random variable x to be the number of machines that will break down in a day. a . What is the appropriate probability distribution for x? Explain how x satisfies the properties of the distribution. b. Compute the probability that 4 machines will break down. c. Compute the probability that at least 4 machines will break down. d. What is the expected number of machines that will break down in a day? e. What is the variance of the number of machines that will break down in a day?
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kimmazkimmaz
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Storm Author
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