SUMMATIVE ASSESSMENT # 2 Municipality Mayor in Tanza introduce the candidates for Most Outstanding Barangay in year 2020. Below is the table of the discrete probability distribution of random variable J representing number of barangays in Julugan. Find the mean, the variance, and the standard deviation of the following probability distribution.(10) J P(J) J* P(J) j2 P(J) 1 0.33 2 0.12 3 0.15 4 0.23 0.17 Mean= E(x) = EJ.PU) Variance o2 = EJ? + SD = Vo? %3D %3D %3D P() - u?

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