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In a study, 5,000 adults were surveyed and the number of siblings each had, X, was recorded. The probability distribution is given below. Find

In a study, 5,000 adults were surveyed and the number of siblings each had, X, was recorded. The probability distribution is given below. Find the mean and the standard deviation of the probability distribution using a TI-83, TI-83 Plus, or TI-84 graphing calculator. Round the mean and standard deviation to four decimal places. X P(x) 0 0.2745 1 0.3401 2 0.1541 3 0.1293 4 0.0591 5 0.024 6 0.01 7 0.007 8 0.0011 9 0.0008

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