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Which of the following cannot be described by a discrete probability distribution?a.Sales of two medical devices in which Device A generates $35 per unit sold and will likely constitute 30% of the sales and Device B generates $50 per unit sold and will likely constitute 70% of the sales.b.The labor cost for manufacturing goods, where one-third of the units cost $10 in labor, one-third cost $15 in labor, and one-third cost $50 in labor.c.The cost of parts for manufacturing an item, where the parts can take on any value between $80 and $100.d.The number of units produced in a given day, where 20% of the time 99 units are produced and 80% of the time 100 units are produced.

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