Monday

October 20, 2014

October 20, 2014

Posted by **preet** on Monday, July 16, 2012 at 5:16am.

P(three red balls)=

P(two red and one white)=

P(one red and two white balls)=

P(three white balls)=

- finite math -
**Reiny**, Monday, July 16, 2012 at 8:53amYou didn't say if the balls are returned, but in most of these type of questions, they would not be returned

I will assume they are not returned to the box.

Prob(3 red) = (10/14)(9/13)(8/12) = ...

Prob(2 red, one white)

could be RRW, RWR, WRR

prob = 3(10/14)(9/13)(4/12) = ....

Study my method I used above, then apply the same method to the last two.

**Answer this Question**

**Related Questions**

math - A box contains 6 red balls, 4 white balls, and 5 green balls. If three ...

Probability again - A box contains 6 red balls, 4 blue balls, and 2 green balls...

math - A box contains three white balls and two red balls. A ball is drawn at ...

8th Grade Probability - A box contains 6 red balls, 4 white balls, and 5 green ...

math - A box contains 8 blue balls and 2 red balls. Three balls are selected ...

science - A box contains 10 balls of which 6 are red (R) and 4 are white (W) . ...

Finite Math - An urn contains sixteen red balls and seventeen white balls. A ...

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

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

math - A basket contains 15 red numbered balls and 10 white numbered balls. A ...