Mathematics, 29.06.2019 14:50 calindaperez
In a study investigating the effect of car speed on accident severity, 5000 reports of fatal automobile accidents were examined, and the vehicle speed at impact was recorded for each one. for these 5000 accidents, the average speed was 41 mph and that the standard deviation was 12 mph. a histogram revealed that the vehicle speed at impact distribution was approximately normal. (a) roughly what proportion of vehicle speeds were between 29 and 53 mph? (round the answer to the nearest whole number.) (b) roughly what proportion of vehicle speeds exceeded 53 mph? (round the answer to the nearest whole number.)
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In a study investigating the effect of car speed on accident severity, 5000 reports of fatal automob...
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