Question 8 A florist determines the probabilities for the number of flower arrangements they deliver each Type numbers in the boxes. day. by Part 1: 4 points aby Part 2: 4 points aby Part 3: 2 points aby Part 4: 2 points 12 points 19 20 21 22 23 P(x) 0.23 0.25 0.35 0.12 0.05 Find the mean, variance, and standard deviation of the distribution rounded to 4 decimal places. Mean = Variance = Standard Deviation = Approximately how many arrangements should the florist expect to deliver each week, rounded to the nearest whole number