The table below shows the probability distribution of past records of the number of breaks of...
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The table below shows the probability distribution of past records of the number of breaks of a heavy-duty document seanning machine in a week. It is estimated that cach breakdown costs the company $3,655 in lost business. Find the standard deviation of the weekly cost from the breakdowns of this machine. No. of breaks (X) P(X) 1 2 3 4 0.25 0.22 0.38 0.13 0.02 The table below shows the probability distribution of past records of the number of breaks of a heavy-duty document seanning machine in a week. It is estimated that cach breakdown costs the company $3,655 in lost business. Find the standard deviation of the weekly cost from the breakdowns of this machine. No. of breaks (X) P(X) 1 2 3 4 0.25 0.22 0.38 0.13 0.02
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