Question

Mr.Roy needs two students to help him with a science demonstration for his class of 18 girls and 12 boys. He randomly chooses one student who comes to the front of the room. He then chooses a second student from those still seated. What is the probability that both students chosen are girls? Answer the prob value for 3 decimal places.

.36

.372

.352

None of the above

Answer 1

prob = (18/30)(17/29)
= 51/145
= appr .352

Answer 2

Thank you so much !

Answer 3

thanks