Solution-Evidence to support the claim that the average

Evidence to support the claim that the average speed

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Assuming that a computer has been used to calculate a value of p = 0.01635, what can we conclude about the following situation? A simple random sample of 50 speeds (in miles per hour) is obtained from cars traveling on a section of I-10 through Tallahassee. The sample has an average of 72.3 mph and a standard deviation of 7.4 mph. Use a 0.05 level of significance to prove the assertion that the average vehicle speed is greater than the 70 mph speed limit.

There is enough evidence to support the claim that the average speed of all vehicles on that stretch of I-10 is greater than the 70 mph speed limit.

There is insufficient evidence to support the claim that the average speed of all vehicles on that stretch of I-10 is greater than the 70 mph speed limit.

We cannot conclude anything without knowing the population size.

50% conclude that drivers exceed the speed limit.

Reference no: EM132388515

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Evidence to support the claim that the average speed

Reference no: EM132388515

Reference no: EM132388515

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