1. Complete the table below by finding the variance and standard deviation of the following probability distribution. P(X) X P(X) (xla x 19 0.2 20 0.2 21 0.3 22 0.2 23 0.1

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A: Step 1:Step 2: Step 3: Step 4:

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Q: Assume X has the following probability distribution: X 1 2 3 4 P(X) .1 .5 .2 .2 Compute the…

A: Given that probability distribution table.  X 1 2 3 4 P(X) .1 .5 .2 .2