Next 3 questions are related to the following:A random sample of 1200 vehicles on a freeway are clocked to test the hypothesis that the proportion of vehiclesdriving above 80 miles per hour is 25%. The number of vehicles in the sample driving above 80 mph is 326.What is the sample proportion?31a0.2670.2720.276d0.28132The test statistic is:a1.731.671.60d1.5433The p-value is,0.0830 Reject Ho at a = 0.10.0.0798 Do not reject Ho at a = 0.05.0.0415 Reject Ho at a = 0.05.0.0399 Reject Ho at a = 0.05.abd

31. Sample proportion,P = xn=3261200=0.272

Next 3 questions are related to the following: Arandom sample of 1200 vehicles on a freeway are clocked to test the hypothesis that the proportion of vehicles Iriving above 80 miles per hour is 25%. The number of vehicles in the sample driving above 80 mph is 326. 31 What is the sample proportion? a 0.267 0.272 0.276 d 0.281 32 The test statistic is: a 1.73

Next 3 questions are related to the following: Arandom sample of 1200 vehicles on a freeway are clocked to test the hypothesis that the proportion of vehicles Iriving above 80 miles per hour is 25%. The number of vehicles in the sample driving above 80 mph is 326. 31 What is the sample proportion? a 0.267 0.272 0.276 d 0.281 32 The test statistic is: a 1.73

ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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