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(Solved): 2. A population variable X has a normal distribution with mean equal to 200 and standard deviation ...




2. A population variable \( X \) has a normal distribution with mean equal to 200 and standard deviation equal to 50 . A rand
2. A population variable has a normal distribution with mean equal to 200 and standard deviation equal to 50 . A random sample of size is obtained and the sample mear is used to estimate the population mean. (a) What is the expected value of ? (b) What is the standard deviation of ? (c) Show the sampling distribution of .


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Given dataMean = ? = 200Standard deviation = ? = 50Sample size = n = 100
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