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 454515: 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.
Speeders caught traveling 25 km/h or more over the speed limit are subject to a $5000 fine. What percentage of speeders will be fined $5000?
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
z=(125-103.4)/9.8
=2.204
Area under the curve for alpha of 2.204 is 1.376%
.
Ed
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