In a recent year the magnitude does (Richer scale) of 10.594 earthquakes were re

Question

In a recent year the magnitude does (Richer scale) of 10.594 earthquakes were recorded. The mean is 1.249 and the standard deviation is 0.509. Consider the magnitudes that are annual. What are the magnitudes that separate the uniform magnitude from those the are usual? (consider a value to be unusual if the x score is less than -2 or greater than 2) What are the magnitudes that separately the unusual magnitudes from those that are usual? The lower bound earthquakes magnitude is. (Type an integer or a decimal) The higher bound earthquakes magnitude is (Type an integer of a decimal)

Explanation / Answer

Lower bound earthquake magnitude = 1.249 - 2(0.569) = 0.111

Higher bound earthquake maagnitude = 1.249 + 2(0.569) = 2.387

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