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Earthquakes and the Poisson Distribution Name:___________________ 1. 2. Print a copy of the Excel spreadsheet which includes your frequency distribution and descriptive statistics. Is our sample representative of the population? Why or why not? 3. Mean = _______ (The mean is sometimes referred to as “lambda.”) Standard deviation = _______ 4. Let the random variable x represent the number of earthquakes occurring in any given day. Calculate the following probabilities to four decimal places. a) P(x = 0) = _______ b) P(x = 25) = _______ c) P(x = 50) = _______ d) P(x = 75) = _______ e) P(x = 100) = _______ f) P(x 10) = _______ g) P(x 40) = _______