MathDB

There are

800

marbles in a bag. Each marble is colored with one of

100

colors, and there are eight marbles of each color. Anna draws one marble at a time from the bag, without replacement, until she gets eight marbles of the same color, and then she immediately stops.
Suppose Anna has not stopped after drawing

699

marbles. Compute the probability that she stops immediately after drawing the

700

th marble.

Problem Statement