Essay
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The finishing process on new furniture leaves slight blemishes.The following table displays a manager's probability assessment of the number of blemishes in the finish of new furniture.For each piece of furniture coming off the line it takes 15 minutes to pack for shipping.In addition,fixing the blemishes take another 2 minutes for each blemish.
-What is the variance of the time it takes between the time a piece of furniture comes off the line and is ready to ship?
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