A bucket contains 4 yellow balls that are numbered 1, 2, 3, 4. It also contains 6 green balls that are numbered 5, 6, 7, 8, 9, 10. Two balls are drawn from the bucket, one at a time, without replacement. Use this information to answer the following probability questions. (Express answers as fractions, or round decimal answers to 4 decimal places.) a. What is the probability that the first ball is yellow and the second ball is green