4 1 point 1 A store specializing in apparel for young adults gathers information about visitor's age and amount spent per visit. The table below shows the joint and marginal probabilities by the age of visitor (A) and the dollar amount spent per visit (V). 2 a. Find the average age among visitors who spent $40 or E(AIV-=40). b. Find the covariance and correlation between A and B given that E(A)=22.33, E(V)=63.5, E(AV)=1436.6, SDA-2.32, SDV=21.74 3 V= $ amount spent per visit Age of visitor 40 60 90 P(A-a) 4 (A) 19 0.16 0.07 0.02 0.25 22 0.12 0.12 0.15 0.39 25 0.1 0.06 0.2 0.36 P(V=v) 0.38 0.25 0.37 Drag n' Drop here or Browse