A police officer is concerned about speeds on a certain section of Interstate 95. The data accompanying this exercise show the speeds of 40 cars on a Saturday afternoon. Click here for the Excel Data File Click here for the CSV Data File a. The speed limit on this portion of Interstate 95 is 64 mph. Specify the competing hypotheses in order to determine if the average speed is greater than the speed limit.

Question

Mathematics

Jazmin Marks

13 March, 12:36

A police officer is concerned about speeds on a certain section of Interstate 95. The data accompanying this exercise show the speeds of 40 cars on a Saturday afternoon. Click here for the Excel Data File Click here for the CSV Data File a. The speed limit on this portion of Interstate 95 is 64 mph. Specify the competing hypotheses in order to determine if the average speed is greater than the speed limit.

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Answers (1)

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Oliver Welch · Answer 1

Jo : μ ≤ 64.

Jo : μ > 64.

Step-by-step explanation:

From the question, the Important information to solve this question is that; ''the speed limit on this portion of Interstate 95 is 64 mph''.

The question wants us to find the fact that the average speed is greater or more than the speed limit.

Therefore, In order to solve this question, the formula to use is the ''null and alternative" hypothesis. It states that;

Jo : μ ≤ 64.

Jo : μ > 64.

The above expression is the competing hypotheses in order to determine if the average speed is greater than the speed limit.