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A marketing research company needs an estimate which of two medical plans it's employee refer. A random sample of employees produced 95% confidence interval (0.477,0.627)

A marketing research company needs an estimate which of two medical plans it's employee refer. A random sample of employees produced 95% confidence interval (0.477,0.627) for proportion of employees who prefer plan A Identify the point of estimate for confidence interval ? Identify the margin of error for confidence interval

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