a box contains 100 red chips, 100 white chips, and 100 blue chips! without looking, whit is the minimum number of chips that must be drawn out to be assured of getting:

Question

a) 30 chip of one color?

b)10 chips of each color?

Answer 1

a) 88. Worst case: draw 29 of two colors before drawing 30 of the third color.
b) 210. Worst case: draw all 100 of two colors, and then draw ten of the third color.