Mathematics, 18.03.2021 03:20, fionaaaa

Below is the relative-frequency table of the probability distribution for the discrete random variable X, with X = "the number of cars owned by families in New York." x. P(X = x)
0 0.03
1 0.31
2 0.43
3 0.14
4 0.09
If the expected value is 1.95, what is the standard deviation?

Below is the relative-frequency table of the probability distribution for the discrete random varia

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Below is the relative-frequency table of the probability distribution for the discrete random variab...