Mathematics, 26.10.2020 17:20, kelseyxxswd2932

A random sample of 121 bottles of cologne showed an average content of 4 ounces. It is known that the standard deviation of the contents (i. e., of the population) is 0.22 ounces. The standard error of the mean equals

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A random sample of 121 bottles of cologne showed an average content of 4 ounces. It is known that th...