Suppose we obtain a sample of 28 observations from a normally distributed population with a population mean of 25 and a standard deviation of 6.82. What is the probability that the sample average of X is less than 27.8?
Suppose we obtain a sample of 28 observations from a normally distributed population with a population mean of 25 and a standard deviation of 6.82. What is the probability that the sample average of X is less than 27.8?
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