Question: Problem 4 According to a recent study published by the American Automobile Association (AAA), 9.5% of all motor vehicle accidents involve drowsy drivers. (a) In

Problem 4 According to a recent study published by the American Automobile Association (AAA), 9.5% of all motor vehicle accidents involve drowsy drivers. (a) In a random sample of 50 motor vehicle accidents, what is the chance that only one of them involves a drowsy driver? (b) In a random sample of 50 motor vehicle accidents, how many are expected to involve a drowsy driver?

Elementary Statistics Unit 2 : Examination Page 5 Mathematics 13 Problem 5 According to a recent study published by the American Automobile Association (AAA), 9.5% of all motor vehicle accidents involve drowsy drivers. For a random sample of 50 motor vehicle accidents, find the probability that the number involving drowsy drivers falls within two standard deviations of the mean. Elementary Statistics Unit 2 : Examination Page 6 Mathematics 13 Problem 6 The weighs of Navel Oranges are normally distributed with a mean of 6.3 ounces and a standard deviation of 1.8 ounces. (a) What percentage of Navel Oranges weigh from 4 to 8 ounces? (b) Would it be unusual for a Navel Orange to weigh more than 10 ounces?

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