An e-reader has a one year warranty. The mean lifespan of the e-reader is 2.5 years, with a standard deviation of 0.5 years. If the manufacturer makes 100,000 e-readers in the month of January, how...

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Extracted text: An e-reader has a one year warranty. The mean lifespan of the e-reader is 2.5 years, with a standard deviation of 0.5 years. If the manufacturer makes 100,000 e-readers in the month of January, how many e-readers can the manufacturer expect to be returned during the warranty period? Select one: a. 0.13% ОБ. 2.1% О с. 2100 O d. 130