Find number of defective lamps will be less

Reference no: EM13137353

It is found that due to manufacturing defects customers return about 10 percent of the table lamps of a particular brand that they buy. A retailer has ordered a consignment of 5000 such lamps for its chain store nationwide. What is the probability that,

(a) the number of defective lamps will be 500 or less?
(b) the number of defective lamps will be more than 550?

Reference no: EM13137353

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