The setting appears to be binomial. Therefore, sum the binomial probability theorem (where n is the number of trials, k is the number of successes, and p is the probability of success) for k = 3, k = 4, ..., k = 9, and k = 10, or .

Results 1 to 2 of 2

- February 18th 2010, 06:31 PM #1

- Joined
- Feb 2010
- Posts
- 19

- February 18th 2010, 07:26 PM #2

- Joined
- Dec 2009
- Posts
- 226