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The age of professional racecar drivers is normally distributed with a mean of 39 and a standard deviation of 7. One driver is randomly selected.

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The age of professional racecar drivers is normally distributed with a mean of 39 and a standard deviation of 7. One driver is randomly selected. a) What is the probability that this driver is less than 49 years old? (Round answer to three decimal places) b) What is the probability that this driver is more than 37 years old? (Round answer to three decimal places) c) What is the probability that this driver is between 40 and 42 years old? (Round answer to three decimal places) d) 95% of all drivers are younger than what age? (Round answer to one decimal place)

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