Probability Refresher Picking a Girl to Lead The Class

Ajouté : 2026-05-25

[00:00:00]Class had 16 girls and 18 boys. What is the probability that the teacher picks a girl to lead the class to lunch?

[00:00:09]Okay, fair. 16 is a selection, good. But is 18 the bottom?

[00:00:14]That's what you said, right? Okay. Is that the total though?

[00:00:18]No.

[00:00:19]That's the total of boys.

[00:00:28]34 34 Good. That's the tricky one. Sometimes you do have to add all the smaller pieces before you