Question

A city council is deciding whether or not to spend additional money to reduce the amount of traffic. The council decides that it will increase the transportation budget if the amount of waiting time for drivers exceeds 20 minutes. A sample of 32 main roads results in a mean waiting time of 22.08 minutes with a standard deviation of 5.42 minutes. Conduct a hypothesis test at a 1% level of significance to determine whether or not the city should increase its transportation budget.



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  • CreatedJanuary 28, 2015
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