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Following is the probability distribution for the age of a student at a certain public high school. X 13 14 15 16 17 18 P

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Following is the probability distribution for the age of a student at a certain public high school. X 13 14 15 16 17 18 P (x) 0.09 0.24 0.23 0.28 0.14 0.02 Send data to Excel Part: 0 / 2 Part 1 of 2 (a) Find the standard deviation of the ages. Round the answer to four decimal places. The standard deviation of the ages is X

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