A card player is dealt a 13 card hand from a well-shuffed, standard deck of cards. What is the probability that the hand is void in at least one suit ("void in a suit" means having no cards of that suit)?

Solution: By inclusion-exclusion and symmetry and noting that the last term is 0 since it's impossible to be void in everything, we have 0.051. Consult iTunes course for full solutions.

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