The tree diagram below represents the following scenario: A pizza restaurant markets 3 versions of its Crazy Combo: Combo 1 contains
3 cheese pizzas and 1 pepperoni pizza, combo 2 contains 2 cheese pizzas
and 2 pepperoni pizzas, and combo 3 contains 1 cheese pizza and 3
pepperoni pizzas. Mr. Jenkins orders 6 combo 1s, 2 combo 2s, and 3 combo
3s.
Which of the following is a valid conclusion based on the tree diagram above?
A. The probability that Mr. Jenkins will choose a pepperoni pizza at random is 6/11
B. The probability that Mr. Jenkins will choose a cheese pizza at random is 1/2
C. The probability that Mr. Jenkins will choose a pepperoni pizza at random is 19/44.
D. The probability that Mr. Jenkins will choose a cheese pizza at random is 23/44.