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John Beale of Stanford California recorded the speeds of cars driving past his house where...

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John Beale of Stanford California recorded the speeds of cars driving past his house where the speed limit read 30 mph The mean of 100 representative readings was 33 63 mph with a standard deviation of 3 44 mph a How many standard deviations from the mean would a car going the speed limit be b Which would be more unusual a car traveling 43 mph or one going 21 mph a A car traveling at the speed limit is 1 06 standard deviations from the mean Round to two decimal places as needed O b Choose the correct answer below and fill in the answer box es to complete your choice Round to two decimal places as needed OA The car traveling 21 mph is more unusual It is B The car traveling 43 mph is more unusual It is Oc Both cars are equally unusual Both cars are standard deviations from the mean while the car traveling 43 mph is standard deviations from the mean while the car traveling 21 mph is standard deviations from the mean standard deviations from the mean standard deviations from the mean

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