# Question: 2 let ei s for i 1 2...

###### Question details

2. Let Ei ⊂ S for i ∈ {1, 2, . . . , n}. Find an expression for P(∪ n i=1Ei) and apply it to find the probability that when 5 people place cards face down on a table and mix them and re-select a card, none selects his or her own card.