00:01
This problem says an insurance agent has a list of seven prospects and decides to telephone two of the prospects today and the other five prospects tomorrow.
00:08
And how many different ways can the agent telephone these prospects? so we have two days that we're splitting this up.
00:15
We have two days or two people that we're going to call on the first day and then five people on the second day.
00:21
But just because we know we're going to pick two people on that first day doesn't mean we only have two options.
00:27
We still have a list of seven prospects.
00:29
So when we make the decision for the first day for those two people, we're going to have seven different choices we can make for that first person.
00:37
And then after we make a selection for the first of those two people, we're going to call on the first day.
00:42
We're only going to have six people to choose from our second choice.
00:46
So that's going to be the number of options that we have for the first day.
00:50
And seven times six is going to give us 42...