Math Solutions

[Step-by-Step] Verify Requirements and Finding the Margin of Error. Find the margin of error and confidence interval if the necessary requirements are satisfied.


Question: Verify Requirements and Finding the Margin of Error. Find the margin of error and confidence interval if the necessary requirements are satisfied. If the requirements are not all satisfied, state that the margin of error and confidence interval cannot be calculated using the methods of this section.


Braking Distance. The braking distance of a simple random sample of cars: 95% confidence; n=32 , X =137ft, and \(\sigma \) is known to be 7ft.

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