Question: Question s (4 points) According to the central limit theorem The probability distribution of the sample mean is normal if sample size is large enough.

Question s (4 points) According to the central limit theorem The probability distribution of the sample mean is normal if sample size is large enough. The sample mean is equal to the population mean )The standard deviation of the sample mean is equal to the population standard deviation. )The probability distribution of the sample mean is unknow regardless of the sample size

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