Tutorial Exercise An insurance agent has a list of 7 prospects and decides to telephone 2 of the prospects today and the other 5
prospects tomorrow. In how many different ways can the agent telephone the prospects?

The agent can telephone the prospects in 240 different ways.

Step-by-step explanation:

Number of arrangements:

The number of different arrangements of n elements is given by:

In this question:

On the first day, 2 prospects will be called, and the total number of possibilites is 2!.

On the second day, the remaining 5 prospects will be called, and the total number of possibilities will be 5!. So

The agent can telephone the prospects in 240 different ways.

no, because the sides are not congruent

answer: for each 3 girls there is 2 boys . 3: 2

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