1.5 Solve the below problem: (3) Let Y, and Yz have a joint density function given by (3y1 0

1.5 Solve the below problem: Let Yl and Y2 have a joint density ftnction given by (3) {0 elsewhere. The marginal density ftnction for Y2 is f (h) 2 (1 Y22), 0 < < 1. Find the marginal density ftnction of Yl. (NB: Show all your calculations)