.1. If we have 4 desks in a lab and there are 10 students, how many arrangements can we make?
2. If we have 10 desks and 10 students, how many arrangements can we make?
3. If we have a tray that has 5 eggs of food, and we have to fill 4 of them with a fruit and one with a sweet. How many arrangements can we make?
4. Determine the probability of P(Z U T)
P( Z ꓵ K) = 0.1 P( R ꓵ Z) = 0.2 P( L ꓵ Z) = 0.15 P(Z/T) = 0.8 P(T) = 0.2