There are three people who get on an elevator in the basement with Six floors. {1,2,3,4 Each person Chooses a floor € {5,6} (not Counting basement) 1,2,3,4,5,65 assuming that their Choices are...

Extracted text: There are three people who get on an elevator in the basement with Six floors. {1,2,3,4 Each person Chooses a floor € {5,6} (not Counting basement) 1,2,3,4,5,65 assuming that their Choices are independent and that each floor is equally likely. Let N be the # of distinct floors that are selected. Find ECN) and V(x)