Posted by matt on Monday, November 19, 2007 at 1:38am.
Are the balls identical, or OR THE RED BALLS VERY LARGE and the white balls very small? Are the red balls on top?
The problem probably should have said the balls were identical, and mixed randomly.
Pr=.45=x/40 solve for x.
Related Questions
Math - "In vase A, there are 3 red balls and 5 white balls. In vase B, ...
FINITE - selection of colored balls from two bags. Assume that each bag contains...
Finite Math-Probability - Suppose we have an urn with 10 white balls and 6 red ...
statistics - Assume that each bag contains 6 balls. Bag a contains 3 red and 3 ...
MATH(STATISTICS) - Urn A contains R red balls and W white balls, urn B contains ...
Finite Math - An urn contains sixteen red balls and seventeen white balls. A ...
probability - A jar contains 3 red balls and 2 green balls. You draw one ball at...
Probability - A bag contains some balls of which 1/4 are red. Forty more balls ...
statistics - If a bag contains a set of 20 red balls, 10 green balls, and 15 ...
math - A bag contains red, blue, and orange marbles. If the probability of ...
For Further Reading