Statistics task

Question

A major corporation has bunch offices in eight major cities in the United States and Canada. The company president wants to visit five of these offices. How many different trips combinations are possible?

1) what is the main difference between the permutations and combinations? Describe.

2) Describe situation where permutations would be used in the real world?

3) Describe situations where combinations would be used in the real world?

5)which method do you think is used the “Lottery”? Describe why?

Answer 1

The answer to the 1st question is ₈C₅, the binomial coefficient of 8 choose 5 = 56.

The main difference between permutations and combinations is that combinations are not concerned with order.

I will leave the other questions for you to think about.