In some cases, airlines overbook flights because past experience has shown that some passengers fail to board the plane due to there being more passengers than seats. Let x be the discrete random variable that represents the number of passengers who can't board the plane.
0.802
0.124
0.052
What is the mean, variance, and standard deviation?
0.30; 0.50; 0.70
0.0; 50; 1.2
0.30; 0.50; 0.25
Not a probability distribution
0.009
0.013