Thirty percent of all automobiles undergoing an emissions inspection at a certain inspection station fail the inspection.
Question:
a. Among 15 randomly selected cars, what is the probability that at most = fail the inspection?
b. Among 15 randomly selected cars, what is the probability that between = and 10 (inclusive) fail the inspection?
c. Among 25 randomly selected cars, what is the mean value of the number that pass inspection, and what is the standard deviation?
d. What is the probability that among 25 randomly selected cars, the number that pass is within 1 standard deviation of the mean value?
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Let x be the number of cars failing inspection The probabilities in p...View the full answer
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