Question

Find the mean of the random variable x. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. X: 0 1 2 3P(x): 0.085, 0.344, 0.399, 0.172

Answer 1

Answer:

The mean is 1.658

Explanation:

The mean is given as:

$\Sigma xP(x)$

Mean = (0 * 0.085) + (1 * 0.344) + (2 * 0.399) + (3 * 0.172)

= 0 + 0.344 + 0.798 + 0.516

= 1.658