Sunday

August 31, 2014

August 31, 2014

Posted by **Nick** on Wednesday, April 27, 2011 at 3:33pm.

- Discrete Math -
**MathMate**, Wednesday, April 27, 2011 at 4:04pmNumber of (ordered) ways to draw 8 balls with replacement

= 55^8

Number of ways to draw 8 different balls

=55P8

= 55!/47!

Probability of drawing 8 balls with at least two having the same number

= 1-(55!/47!)/55^8

= 25193936479/60897409375

= 0.414 approx.

**Related Questions**

math - A box contains 55 balls numbered from 1 to 55. If 15 balls are drawn with...

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 ...