John beale of stanford, ca, recorded the speeds of car driving past his house, where the speed limit read 20 m? john beale of stanford, ca, recorded the speeds of cars driving past his house, where...

Extracted text: John beale of stanford, ca, recorded the speeds of car driving past his house, where the speed limit read 20 m? john beale of stanford, ca, recorded the speeds of cars driving past his house, where the speed limit read 20 mph. suppose that these recordings follow an approximately normal distribution. the mean of 100 readings was 23.84 mph, with a standard deviation of 3.56 mph. a. how many standard deviations from the mean would a car going under the speed limit be? b. which would be more unusual, a car traveling 34 mph or one going 10 mph