question archive A box contains 4 red balls and 3 blue balls
A box contains 4 red balls and 3 blue balls
Subject:StatisticsPrice: Bought3
A box contains 4 red balls and 3 blue balls. Now choose three balls from them: a. How many ways to
choose the three balls? b. How many ways to choose the three balls that at least one is blue? c. How many
ways to choose the three balls that at least one is red and one is blue?
