I'm stumped on this question, would appreciate some help please.

Question

Ms. Babalola has a bag that contains 4 white beads, 6 red beads, 5 yellow beads, and 5 blue beads. One head is selected and not replaced. Then a second bead is selected and replaced. Then a third head is selected. Determine the probability of selecting a blue bead, then a white bead, then a yellow bead.

Answer 1

pr(blue, white,yel)=5/20*4/19*5/18

Answer 2

Greatly appreciated