Mathematics, 06.04.2021 03:40, kamerin46

A consumer group surveyed the prices for white cotton extra-long twin sheet sets in five different department stores and reported the average price as $16 with standard deviation $3.81. Assume that the population is normal and has a standard deviation equal to $3.81. 9. Provide a 95% confidence interval in order to estimate the average price of the white cotton extra-long twin sheets. z* is 1.96

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A consumer group surveyed the prices for white cotton extra-long twin sheet sets in five different d...