Let X = the score out of 3 points on a randomly selected quiz in a Prob & Stat course. The table gives the probability distribution of X.
Value
0
1
2
3
Probability
0.05
0.15
0.60
A) Find the missing value for P(X = 1) in the probability distribution.
B) P(X 2 2) =
C) P(X > 2) =
D) The probability of “At least 2” is equivalent to