Answer:
9/49
Step-by-step explanation:
4 purple beads and 3 green beads= 7 beads
P( green) = green = total = 3/7
Replace the bead
P( green , replace, green) = 3/7 * 3/7 = 9/49
0.065
64.9 / 1000 = 0.0649 --> 0.065