Statistics Confidence Interval and Hypothesis Test
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Question (1)
The policy of the Suburban Transit Authority is to add a bus route if more than 55 percent of the potential commuters indicate they would use the particular route. A sample of 70 commuters revealed that 42 would use a proposed route from Bowman Park to the down-town area. Does the Bowman-to-downtown route meet the STA criterion? Use the .05 significance level.
Question (2) :
Two boats, the Prada (Italy) and the Oracle (U.S.A.), are competing for a spot in the upcoming America's Cup race. They race over a part of the course several times. Below are the sample times in minutes At the .05 significance level, can we conclude that there is a difference in their mean times?
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Solution Summary
Detailed solutions with step by step formulas and working are given in the attached solution file.
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