Samples of size 49 are drawn from a population with a mean of 36 and a standard deviation of 15. What is the probability that the sample mean is less than 33?© BrainMass Inc. brainmass.com March 4, 2021, 5:45 pm ad1c9bdddf
The sample means are normally distributed around the population mean. This is the central limit theorem.
sample variance = ...
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