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A retail store manager is trying to improve and control the rate at which cashiers sign customers up for store credit cards. The manager

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A retail store manager is trying to improve and control the rate at which cashiers sign customers up for store credit cards. The manager takes several samples of size 50. He finds that each sample of 50 contained 11 credit card signups on average. Find UCL for p- bar using 99.73% control limits. (enter your answer to 4 decimal places)

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