Question 1114528
<br>
From the given information...<br>
boys: 8 total; 4 with speaking parts, so 4 without
girls: 20-8=12 total; 8 without speaking parts so 4 with<br>
All together: 20 children, 8 with speaking parts<br>
P(child has a speaking part) = 8/20 = 2/5 or 40%.