Terri Vogel, an amateur motorcycle racer, averages 129.27 seconds per 2.5 mile lap (in a 7...

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Terri Vogel, an amateur motorcycle racer, averages 129.27 seconds per 2.5 mile lap (in a 7 lap race) with a standard deviation of 2.25 seconds. The distribution of her race times is normally distributed. We are interested in one of her randomly selected laps. (Source: log book of Terri Vogel) Let X be the number of seconds for a randomly selected lap. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X - N( b. Find the proportion of her laps that are completed between 125.98 and 128.8 seconds. c. The fastest 3% of laps are under d. The middle 80% of her laps are from seconds. seconds to seconds. Terri Vogel, an amateur motorcycle racer, averages 129.27 seconds per 2.5 mile lap (in a 7 lap race) with a standard deviation of 2.25 seconds. The distribution of her race times is normally distributed. We are interested in one of her randomly selected laps. (Source: log book of Terri Vogel) Let X be the number of seconds for a randomly selected lap. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X - N( b. Find the proportion of her laps that are completed between 125.98 and 128.8 seconds. c. The fastest 3% of laps are under d. The middle 80% of her laps are from seconds. seconds to seconds.

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a The distribution of X which represents the number of seconds for a randomly selected lap is a norm... View the full answer