SOLUTION: A jar contains 10 red marbles, 6 blue marbles and 2 white marbles. Find the probability of the following: You randomly choose one red marble from the jar, put it back into the jar

Algebra ->  Probability-and-statistics -> SOLUTION: A jar contains 10 red marbles, 6 blue marbles and 2 white marbles. Find the probability of the following: You randomly choose one red marble from the jar, put it back into the jar      Log On


   

Question 448897: A jar contains 10 red marbles, 6 blue marbles and 2 white marbles. Find the probability of the following:
You randomly choose one red marble from the jar, put it back into the jar, and then randomly choose a red marble.
Answer by TheDoctor(14) About Me  (Show Source):
You can put this solution on YOUR website!
10 red, 6 blue, 2 white = 18 total
1st time: 10%2F18
Simplify: Divide by 2.
10%2F18/2 = 5%2F9
2nd time: 10%2F18 = 5%2F9
Simplify: Divide by 2.
10%2F18/2 = 5%2F9