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WBNQ has determined an average listenership is 22.5 minutes with a standard deviation of 2 minutes. The number of respondents in this study is 500.

WBNQ has determined an average listenership is 22.5 minutes with a standard deviation of 2 minutes. The number of respondents in this study is 500. Calculate the standard error of the mean and determine the 95% confidence interval for the mean given this data. The LOWER limit of the 95% confidence interview is [____]

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