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A random sample of size n=25 is obtained from a normally distributed population with a population mean of = 10 and ^2 = 400. What

A random sample of size n=25 is obtained from a normally distributed population with a population mean of = 10 and ^2 = 400. What is the value such that 5% of the sample means would be less than ?

A random sample of size n=25 is obtained from a normally distributed population with a population mean of = 10 and ^2 = 400. What is such that 5% of the sample variances would be less than ?

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