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During an economic downturn, 20 companies were sampled and asked whether they were planning to increase...

During an economic downturn, 20 companies were sampled and asked whether they were planning to increase their workforce. Only 3 of the 20 companies were planning to increase their workforce. Use the small-sample method to construct a 90% confidence interval for the proportion of companies that are planning to increase their workforce. Round the answers to at least three decimal places.

Math   Statistics-And-Probability   
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