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find the answer in letter (b) 3. The Senior High School Department of Malabon National High School collected information among the students their daily allowance

find the answer in letter (b)
3. The Senior High School Department of Malabon National High School collected information among the students their daily allowance (in pesos, rounded to nearest tens). Below are the daily allowance of 15 randomly selected students. 30 60 70 60 50 40 30 40 50 60 80 60 50 50 30 . (a) Let X be the discrete random variable representing the daily allowance of a randomly selected student. Find u. . (b) Determine o and o

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