Question: Which probability model is incorrect?
A) 4 outcomes with equal  probability each=1/4
B) 3 outcomes with values=1/2,1/3,1/6
C) 2 outcomes with values :2/5,3/5
D) 5 outcomes with values:1/5 each
Correct answer: B
Grade: 7 | Topic: Statistics and Probability | Difficulty: Medium | Standard: 7.SP.C.7