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Question 13 (1 point) A random sample of 300 credit-card holders are surveyed for annual credit-card debt. The sample mean is $2788. If the population

Question 13 (1 point) A random sample of 300 credit-card holders are surveyed for annual credit-card debt. The sample mean is $2788. If the population standard deviation is $886, use this sample data to construct a confidence interval for the mean annual credit-card debt with a 95% level of confidence by first answering the following questions: Question: What is a/2 =

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