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A random sample of 9 TI-89 Titanium calculators being sold over the internet had the following prices, in dollars. 148 146 152 148 149 150

A random sample of 9 TI-89 Titanium calculators being sold over the internet

had the following prices, in dollars.

148 146 152 148 149

150 149 139 143

Assume the population standard deviation is = 29 and that the population is

approximately normal. Construct a 95% confidence interval for the mean price

for all the TI-89's being sold over the internet

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