Hi, I'm struggling with where to go with the following problem:
The probability distribution below is representative of x, the number of cars sold within a single day.
x = 0, 1, 2, 3, 4
P(x) = 0.1, 0.4, 0.3, 0.2
I calculated the standard deviation and mean, which I believe 0.917 and 1.6...