Standard deviation of the distribution of sample means
Suppose that a sample of size 61 is drawn from a population with mean 80 and standard deviation 76. Find the value of sigma x bar, the standard deviation of the distribution of sample means. Round two decimal places.
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What must the RHR coolant flow rate be in gpm (gallons per minute) to ensure the removal of 3.0×109 J of decay heat in 10 minutes.
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