! The probability distribution for the number of defective lava lamps a factory produces is shown in the table. Find the

!

The probability distribution for the number of defective lava lamps a factory produces is shown in the table. Find the expected number of defective lava lamps in a week.
X 0 1 2 3 4 5 6
P(X) .01 .05 .15 .21 .22 .30 .06

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