Question

A box contains 5 pink marbles, 6 orange and 4 blue marbles. These marbles are drawn from the box at replacement. Find the probability that; i. They are all pink. ii. They are all of the same colour. iii. The first is blue and the others are orange. iv. one is blue and the others orange. v. Two are orange and one is pink. vi. They are different colours.

Answer 1

I. 33% ii. don't know iii. unlikely iv. unlikely v. not likely vi. 90%