Question: A market research consultant hired by the Pipsi-Cola Company is interested in determining the percent of consumers who favor Pipsi-Cola over Coker-Cola in a particular urban location. A random sample of 250 consumers from the market under investigation found that 105 consumers prefer Pipsi. Construct a 90% confidence interval for proportion of all consumers in this market who prefer Pipsi. Report your results to one-decimal percent accuracy. Your answer must be within three-decimal accuracy (one-decimal percent accuracy). Assume all requirements are met.

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