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Which of the following statements would be appropriate to investigate a claim that the mean speed of drivers through town exceeds the posted limit of

Which of the following statements would be appropriate to investigate a claim that the mean speed of drivers through town exceeds the posted limit of 30 miles per hour?

The null hypothesis states the mean speed of drivers in this town is less than 30 miles per hour.

The null hypothesis states the mean speed of drivers in this town is greater than 30 miles per hour.

The alternative hypothesis states the mean speed of drivers in this town is greater than 30 miles per hour.

The alternative hypothesis states the mean speed of drivers in this town is less than 30 miles per hour.

The alternative hypothesis states the mean speed of drivers in this town is less than or equal to 30 miles per hour.

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