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- You measure 37 turtles' weights, and find they have a mean weight of 43 ounces....

- You measure 37 turtles' weights, and find they have a mean weight of 43 ounces. Assume the population standard deviation is 2.4 ounces. Based on this, what is the maximal margin of error associated with a 90% confidence interval for the true population mean turtle weight. Give your answer as a decimal, to two places
= ± ? ounces

- You measure 25 textbooks' weights, and find they have a mean weight of 71 ounces. Assume the population standard deviation is 12.3 ounces. Based on this, construct a 95% confidence interval for the true population mean textbook weight. Give your answers as decimals, to two places
= ? < μ < ?

math   Statistics-And-Probability   
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