2. You measure 22 textbooks' weights, and find they have a mean weight of 77 ounces. Assume the population standard deviation is 9.3 ounces. Based on this, construct a 95% confidence interval for the...


2. You measure 22 textbooks' weights, and find they have a mean weight of 77 ounces. Assume the<br>population standard deviation is 9.3 ounces. Based on this, construct a 95% confidence interval for<br>the true population mean textbook weight.<br>Give your answer as 2 decimal places.<br>O 73.11 < µ< 80.89<br>O 74.12 < u< 81.29<br>0.75.13 < µ< 80.85<br>O 72.15 < µ< 82.35<br>

Extracted text: 2. You measure 22 textbooks' weights, and find they have a mean weight of 77 ounces. Assume the population standard deviation is 9.3 ounces. Based on this, construct a 95% confidence interval for the true population mean textbook weight. Give your answer as 2 decimal places. O 73.11 <>< 80.89="" o="" 74.12=""><>< 81.29="" 0.75.13=""><>< 80.85="" o="" 72.15=""><><>

Jun 09, 2022
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