Probability Trees By Anthony Stones

½ ½ Probability Tree for flipping a coin twice HH ½x½=¼ Heads ½ Heads Outcomes Probability Probability Tree for flipping a coin twice HH ½x½=¼ Heads ½ Heads ½ HT ½x½=¼ Tails ½ Flip a Coin ½ TH Heads ½x½=¼ ½ Tails ½ Tails TT ½x½=¼

Probability Tree for rolling a die twice Outcomes Probability Probability Tree for rolling a die twice 6, 6 1/6x1/6=1/36 Six 1/6 Six 1/6 Not Six 6, not 6 1/6x5/6=5/36 5/6 Throw a Die 1/6 Six Not 6, 6 5/6x1/6=5/36 5/6 Not Six 5/6 Not Six 6, 6 5/6x5/6=25/36