ANSWERS: 1
  • The chance of picking a red marble first is 6/10. After doing so, there are 5 red marbles remaining among 9 total. So the chance of picking a red marble second is 5/9. The probability of both events is therefore (6/10)(5/9) = 30/90 = 1/3

Copyright 2018, Wired Ivy, LLC

Answerbag | Terms of Service | Privacy Policy