Sunday

April 20, 2014

April 20, 2014

Posted by **Anonymous** on Wednesday, October 5, 2011 at 10:33am.

a.If an urn is selected at random and a ball drawn, what is the probability that the ball is red?

b.If a ball is drawn from urn A and put into urn B, and then a ball is drawn from urn B, what is the probability that the second ball is red?

c.If A and B are independent events, then prove that A^C (A raise to C) and B^C (B raise to C) are also independent.

- MATH(STATISTICS) -
**PsyDAG**, Thursday, October 6, 2011 at 1:54ama. R/(R+W) + r/(r+w) = ?

It's a start.

**Related Questions**

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 ...

Finite Math - An urn contains six red balls and five white balls. A sample of 2 ...

Finite Math-Probability - Suppose we have an urn with 10 white balls and 6 red ...

Math-Probability - An urn contains four red balls and three white balls. A ...

Statistics - math - An urn contains 5 red balls and 10 white balls. 6 balls are ...

MATH - Urn A contains six white balls and three black balls. Urn B contains ...

maths - urn contains 4 white and 6 red rolls. Four balls are drawn at random (...

statistics - An Urn contains 7 red and 3 white balls. Two balls are drawn in ...

Statistic - A urn contains 21 red balls, 14 white balls If we randomly select 2 ...