An important step in creating confidence intervals for proportions is to check whether the success/failure conditions...

An important step in creating confidence intervals for proportions is to check whether the success/failure conditions have been met otherwise the interval created will not be valid (i.e. we should not have created that interval)!

The following examples are estimating the proportion of the population who likes Brussels sprouts. Try to determine whether or not the assumptions have been met.

In a sample of 150 people surveyed, 36 liked Brussels sprouts.	conditions met? or not
In a sample of 104 people surveyed, 100 liked Brussels sprouts.	conditions met? or not
In a sample of 65 people surveyed, 25 liked Brussels sprouts.	conditions met? or not
In a sample of 31 people surveyed, 28 liked Brussels sprouts.	conditions met? or not

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TOPIC:Conditions for the confidence interval for proportions.

milcah answered 8 months ago

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