suppose a population has a mean of 450 and a variance of 900. if a random sample of size 100 is drawn from the population, the probability that the sample mean is between 448 and 453 is closet to
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- The population mean (μ) is 450. - The population variance (σ²) is 900. Therefore, the population standard deviation (σ) is √900 = 30. Show more…
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