Expected number of defective hard drives

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A computer retailer requires 100000 hard drives. It can source these hard drives from company A or company B. Company A's hard drives are cheaper than company B's, but company A's hard drives are defective with probability 0.003 while company B's hard drives are defective with probability 0.001. The retailer wants to source as many of the cheaper hard drives as possible, but does not want the expected number of defective hard drives to exceed 150. How many hard drives should the retailer source from each company

Reference no: EM131208529

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