Re: Another theatre line problem
[ QUOTE ]
10 people stand in a single file line in front of a ticket window. The 10 people have 10 different heights. The ticket clerk can see a person if and only if no one taller stands in front of that person. How many people can the ticket clerk see on average?
[/ QUOTE ]
Do patrons wearing hats count? [img]/images/graemlins/grin.gif[/img]
|