3. Suppose the stronger team in the baseball World Series has probability p = .6 of beating the weaker team, and suppose that the outcome of each game is independent from the rest. What is the probability that the stronger team will win at least 4 of the 7 games in a W orld Series?

ve r 4. Pro n−1 + n−1 n−1 + . . . + = n . n1−1,n2,...nk n1,n2−1,...,nk n1,n2,...,nk−1 n1,n2,...nk