Equipment Breakdowns. A factory manager collected data on the number of equipment breakdowns per day. From those data, she derived the probability distribution shown in the following table, where W denotes the number of breakdowns on a given day. w 0 1 2 P(W = w) 0.80 0.15 0.05 a. Determine µW and σW . Round your answer for the standard deviation to three decimal places.b. On average, how many breakdowns occur per day?c. About how many breakdowns are expected during a 1-year period, assuming 250 work days per year?

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Equipment Breakdowns. A factory manager collected data on the number of equipment breakdowns per day. From those data, she derived the probability distribution shown in the following table, where W denotes the number of breakdowns on a given day.

w 0 1 2
P(W = w) 0.80 0.15 0.05

a. Determine µW and σW . Round your answer for the standard deviation to three decimal places.
b. On average, how many breakdowns occur per day?
c. About how many breakdowns are expected during a 1-year period, assuming 250 work days per year?

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