Select the variable for the number of miles traveled last

Reference no: EM13614276

Select the variable for the number of miles traveled last month. Conduct a test of hypothesis to determine whether the mean number of miles traveled is equal to 840. Use the .01 significance level. Find the p-value and explain what it means.

Using the maintenance cost variable, conduct a test of hypothesis to determine whether the mean maintenance cost is less than $500 at the .05 significance level. Determine the p-value and interpret the result.

Suppose we consider a bus "old" if it is more than eight years old. At the .01 significance level, can we conclude that less than 40 percent of the buses are old? Report the p-value.

Reference no: EM13614276

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