Find the mean variance and standard deviation of the number
Find the mean variance and standard deviation of the number
Find the mean, variance, and standard deviation of the number of cars sold per day, using the probability distribution.
X P(x)
0 ..... 0.1
1 ..... 0.1
2 ..... 0.2
3 ..... 0.2
4 ..... 0.3
5 ..... 0.1