No Need to TYPE! Please make sure you understand the question. Final answer is very important.'

The preference for using a popular instant messaging application 'VatsApp" by the age groups 1829 years and 3049 years in a province can be modeled by random variables X and Y respe Suppose the joint density function for the two variables is of the form 1:32: 4 f 0 ll] 1 .f(z:y)={0( + y) m] <. for some constant give answers to the following as a fraction or correct decimal places. part find value of d probability that valsapp preferred by less than in each age group marginal density preference years and evaluate it at vatsapp e conditional given is this point x>