Marcos is selecting classes for next year. He plans to take English, physics, government, pre-calculus, Spanish, and journalism. His school has a six-period day, so he will have one of these classes each period.

Question

1. How many different schedules are possible?

2. How many schedules are possible with first-period pre-calculus?

3. What is the probability that Marcos will get first-period pre-calculus?

4. What is the probability that Marcos will get both first-period pre-calculus and second-period physics?

Answer 1

1. 720