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The prices (in dollars) for a graphing calculator are shown below for 8 online vendors. Estimate the true mean price for this particular calculator with

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The prices (in dollars) for a graphing calculator are shown below for 8 online vendors. Estimate the true mean price for this particular calculator with 95% confidence. Assume the prices of vendors are normally distributed. 137 129 158 146 143 154 123 137 Select one a. 137.4

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