A radar unit is used to measure the speed of cars on a highway
during rush...
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A radar unit is used to measure the speed of cars on a highwayduring rush hour traffic. The speeds of individual cars arenormally distributed with a mean of 55 mph and a standard deviationof 3.2 mph. Find the probability of the following events: (a) A car traveling faster than average. (b) A car traveling over 65 mph (c) A car traveling between 48 and 50 mph.
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Mean 55Standard deviation 32aWe have to find the probability that a car traveling faster thanaverageThat is we have to find PX 55For
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