Turntable 2
Turntable 1
red
blue
Red 1
(red 1, red)
(red 1, blue)
Red 2
(Red No.2, red)
(red 2, blue)
blue
(blue, red)
(blue, blue)
Or method 2: use a tree diagram to illustrate.
? ........................ scored six points.
So, what is the probability of matching purple? Seven points
So what is the probability of the player winning? ..........................., eight.
According to the meaning of the question, analyze all equally possible results by list method or tree drawing method, and then calculate the probability of the event according to the probability formula.