SOLUTION: a bag contains three blue marbles and six red marbles. what is the probabilty of drawing a red marble then another red marble then a blue marble if the marble is replaced after ea

Algebra.Com
Question 51773: a bag contains three blue marbles and six red marbles. what is the probabilty of drawing a red marble then another red marble then a blue marble if the marble is replaced after each draw?
thanks for your time!

Answer by Nate(3500)   (Show Source): You can put this solution on YOUR website!
blue marbles: 3
red marbles: 6
total marbles: 9
Chances of drawing a red marble: 6/9 or 2/3
Chances of drawing a red marble when you replace the first: 6/9 or 2/3
Chances of drawing a blue marble when you replace second: 3/9 or 1/3
(2/3)(2/3)(1/3) = 4/27

RELATED QUESTIONS

A bag contains 5 green marbles, 4 red marbles, 7 blue marbles, and 9 yellow marbles.... (answered by oscargut)
A bag contains 4 red marbles, 2 blue marbles, and 7 green marbles. What is the probabilty (answered by longjonsilver)
a. A bag contains 8 blue marbles, 9 yellow marbles, and 10 red marbles. If a marble... (answered by mathmate,ikleyn)
a bag contains eight green marbles, five white marbles and two red marbles. what is the... (answered by Fombitz)
a bag contains 5 red and 20 blue marbles. what is the probability of picking out a red... (answered by stanbon)
A bag contains 7 blue marbles, 8 green marbles, 15 red marbles, and 10 yellow marbles.... (answered by stanbon)
A bag contains five red marbles, three green marbles, and four blue marbles. How many... (answered by Theo)
A bag contains five blue marbles, five red marbles, five white marbles, and five black... (answered by ewatrrr)
A bag has 2 blue marbles, 3 red marbles, and 5 white marbles. Which events have a... (answered by Boreal,ikleyn)