... of conditional probability into (2.7) and mul-tiplying by P (B) leads to the equationP (A ∩B) = P (A) ·P(B). An Introduction to Statistical Inference and Data Analysis Michael W. Trosset1April ... for the left hand and, foreach such choice, there are three ways to choose a ring for the right hand.Hence, there are 4 ·3 = 12 ways to choose a ring for each hand. This is an instance of a general ... potatoes, green beans },{ stuffing, green beans, mashed potatoes },{ mashed potatoes, stuffing, green beans },{ mashed potatoes, green beans, stuffing },{ green beans, stuffing, mashed potatoes }, and {...