Mathematics, 30.07.2021 01:00, LlayahHarbin

The distribution of the annual frequency of powerful earthquakes can be modeled with a normal distribution. The mean number of powerful earthquakes per year is 20 with a standard deviation of 7 earthquakes. (a) What is the z-score for a year in which there are thirteen earthquakes

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The distribution of the annual frequency of powerful earthquakes can be modeled with a normal distri...