Mathematics, 14.04.2020 18:43 martinez6221

A market research team compiled the following discrete probability distribution, where X represents the number of automobiles owned by a family residing in Montgomery County, and P(X) is the probability.

x P(x)

0- 0.3,

1- 0.5,

2- 0.2,

3- 0.4

The standard deviation of X is

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A market research team compiled the following discrete probability distribution, where X represents...