SOLUTION: A bag of marbles contains 6 blue, 7 red, and 8 orange marbles. What is the probability of picking a red marble and then an orange marble if you do not replace the first marble?
Algebra ->
Statistics
-> Normal-probability
-> SOLUTION: A bag of marbles contains 6 blue, 7 red, and 8 orange marbles. What is the probability of picking a red marble and then an orange marble if you do not replace the first marble?
Log On
Question 1197799: A bag of marbles contains 6 blue, 7 red, and 8 orange marbles. What is the probability of picking a red marble and then an orange marble if you do not replace the first marble? Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! A bag of marbles contains 6 blue, 7 red, and 8 orange marbles. What is the probability of picking a red marble and then an orange marble if you do not replace the first marble?
-----------
It's called "without replacement."
----
The red is 7 of 21.
The orange is 8 of 20.
---
(7/21)*(8/20) = 2/15
