question archive The US fatality analysis reporting system records information about motor vehicle accidents with the least fatality

The US fatality analysis reporting system records information about motor vehicle accidents with the least fatality

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The US fatality analysis reporting system records information about motor vehicle accidents with the least fatality. They collect information such as type of vehicle, safety belt use, airbag deployment, etc. You want to use this data to estimate the true proportion of fatal accidents where seat belts were not in use by those who died. Which would be the most appropriate confidence interval ?

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In my opinion 99% confidence interval is to be adopted

Step-by-step explanation

In this problem assess the risk to a persons life, hence the most stringent confidence level is to be adopted.

 

Commonly adopted Confidence limits are : 90%, 95%, 99%.

 

From this list the most stringent limit is 99%