Friday

January 30, 2015

January 30, 2015

Posted by **Tiff** on Monday, October 4, 2010 at 9:38pm.

(1) What is the probability that both balls are red?

(2) What is the probability that both balls are red given that the first ball you drew was red?

- statistics -
**Reiny**, Monday, October 4, 2010 at 11:26pm1.

first draw is a red, now bag B contains

3R, 2W, and 2B

prob of both red = (1/2)(3/7) = 3/14

2.

prob that 2nd is read, given that the first is red = 3/7

**Answer this Question**

**Related Questions**

FINITE - selection of colored balls from two bags. Assume that each bag contains...

Maths - Bag A contains 2 white, 1 black and 3 red balls, Bag B contains 3 white...

MATH 12 HELP! - One bag contains 4 white balls and 6 black balls. Another bag ...

maths-probabilty - Bag 1 contains 2 white and 3 red balls and bag 2 contains 4 ...

maths- probabilty(me posted third time)plse answer - There are two bags out of ...

maths-probabilty(URGENTLYYY) - There are two bags out of which Bag 1 contains 2 ...

maths-probabilty - There are two bags out of which Bag 1 contains 2 white and 3 ...

******MATH 12******* - How about this. One bad contains 4 white balls and 6 ...

math - the bag contains 20 red marbles and30 white marbles and 40 blue ones what...

statistics - A bag contains a total of 24 white, red, and blue marbles. A ...