Posted by **AngelG** on Thursday, October 11, 2012 at 6:04am.

An urn A contains 6 white balls and 7 black balls. And urn B contains 8 white balls and 6 black balls. A person draws a ball at random from one of the two urns. It turns out to be black. What is probability that the ball was drawn from urn A?

(A) 7/14

(B) 49/88

(C) 39/88

(D) None of the above

## Answer this Question

## Related Questions

- Math (Probability) - An urn A contains 6 white balls and 7 black balls. And urn ...
- MATH - Urn A contains six white balls and three black balls. Urn B contains ...
- mathematical statistic - Urn A contains six white balls and three black balls. ...
- finite - Urn A contains four white balls and five black balls. Urn B contains ...
- statistics - Two urns each contain yellow balls and black balls. Urn 1 contains ...
- Strayer University - An urn contains white balls and red balls. If Juan chooses ...
- math - An urn initially contains 5 white and 7 black balls. Each time a ball is ...
- MATH(STATISTICS) - Urn A contains R red balls and W white balls, urn B contains ...
- statistics - An urn contains white and red balls. Four balls are randomly drawn ...
- statistics - An urn contains white and red balls. Four balls are randomly drawn ...

More Related Questions