Vehicles heading west on Front Street may turn right, left, or go straight ahead at Elm
Chapter 0, Problem 21(choose chapter or problem)
Vehicles heading west on Front Street may turn right, left, or go straight ahead at Elm Street. The city traffic engineer believes that half of the vehicles will continue straight through the intersection. Of the remaining half, equal proportions will turn right and left. Two hundred vehicles were observed, with the following results. Can we conclude that the traffic engineer is correct? Use the .10 significance level.
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