Mathematics, 19.10.2021 03:20, pr47723

The average length of an elephant's trunk from a population of African forest elephants is unknown. A random sample from the population yields a sample mean of x¯=6.5 feet. Assume the sampling distribution of the mean has a standard deviation of σx¯=0.9 feet. Use the Empirical Rule to construct a 95% confidence interval for the true population mean length.

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The average length of an elephant's trunk from a population of African forest elephants is unknown....