A random sample of 150 preschool children in Hillsborough county revealed that only 60 had been...

A random sample of 150 preschool children in Hillsborough county revealed that only 60 had been vaccinated. Provide an approximate 90% confidence interval for the proportion vaccinated in that county.

Group of answer choices

(0.3946, 0.4054)

(0.36, 0.44)

(0.397, 0.403)

(0.334, 0.466)

Solutions

Expert Solution

The solution is done showing all steps with calculations and required explanations. For your better understanding, a z table is also attached. Hope you can understand and appreciate the work.

An approximate 90% confidence interval for the proportion vaccinated in that county is (0.334, 0.466)

z table :

orchestra answered 1 year ago

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