# SOLUTION: For every 3 white marbles in the bag there are 7 black marbles. If Margaret pulls out a marble 50 times and always replaces it how many times would you expect her to pull out a bla

Algebra ->  Algebra  -> Probability-and-statistics -> SOLUTION: For every 3 white marbles in the bag there are 7 black marbles. If Margaret pulls out a marble 50 times and always replaces it how many times would you expect her to pull out a bla      Log On

 Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help! Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!

 Algebra: Probability and statistics Solvers Lessons Answers archive Quiz In Depth

 Click here to see ALL problems on Probability-and-statistics Question 400386: For every 3 white marbles in the bag there are 7 black marbles. If Margaret pulls out a marble 50 times and always replaces it how many times would you expect her to pull out a black marble?Answer by robertb(4012)   (Show Source): You can put this solution on YOUR website! times.