SOLUTION: Speed trap on the highway set by the O.P.P. shows that the mean speed of cars is 103.4 km/h with a standard deviation of 9.8 km/h. The posted speed limit on the highway is 100 km/
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Question 454518: Speed trap on the highway set by the O.P.P. shows that the mean speed of cars is 103.4 km/h with a standard deviation of 9.8 km/h. The posted speed limit on the highway is 100 km/h.
The top 2% of all drivers speeding are subject to losing their license. According to the data, what speed must a driver be traveling to lose his or her license? Answer by edjones(8007) (Show Source):
You can put this solution on YOUR website! A one tailed distribution with the area under alpha of .02 has a z of 2.05
9.8*2.05=20.1 (rounded)
103.4+20.1=123.5 km/h Speed the driver must be traveling to lose his license.
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Ed
