Posted by Kim on Monday, April 8, 2013 at 10:51am.
In a cookie jar, there are 6 choco chip cookies and 8 oatmeal cookies. Kim takes out the cookies one at a time and proceeds to eat them. The probability that the 7th cookie that Kim eats is a choco chip cookie is a/b, where a and b are positive coprime integers. What is the value of a+b ?

Probability  A, Tuesday, April 9, 2013 at 2:50pm
10