A committee of three people is to be formed. The three people will be selected from a list of five possible committee members. A simple random sample of three people is taken, without replacement, from the group of five people. If the five people are represented by the letters A, B, C, D, E, the possible outcomes are as follows. ABC ABD ABE ACD ACE ADE BCD BCE BDE CDE Determine the probability that A and B are both included in the sample.