Saturday

August 30, 2014

August 30, 2014

Posted by **Anonymous** on Monday, October 22, 2012 at 1:53am.

- math -
**Reiny**, Monday, October 22, 2012 at 8:59amtake prob that they are both different

first can be anything, the second must be one of the other 54

prob that they are both different = (1)(54/55) = 54/55

prob( they are NOT both different)

= prob(at least two are the same) = 1 - 54/55 = 1/55

**Related Questions**

Discrete Math - A box contains 55 balls numbered from 1 to 55. If 8 balls are ...

College Discrete - An urn contains n > 0 white balls and m > 0 black ...

MATH Prob. - A box contains two black balls and three gold balls. Two balls are ...

math - A box contains two black balls and three gold balls. Two balls are ...

statistics - A box contains 3 white and 5 black balls. Four balls are drawn at ...

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

Statistics - A box contains five numbered balls (1,2,2,3 and 4). We will ...

Math - A box contains 2 white calls and 7 pink balls. Two balls are drawn at ...

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

math - I have a question in my math class in college. Here is the question, but ...