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sample of 400 scores is...

From a large number of actuarial exam scores, a random sample of 400 scores is selected, and it is found that 280 of these 400 are passing scores. Based on this sample, find a 90% confidence interval for the proportion of all scores that are passing. Then complete the table below.

Carry your intermediate computations to at least three decimal places. Round your answers to two decimal places.

Carry your intermediate computations to at least three decimal places. Round your answers to two decimal places.

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