Need math help with a question about probability (#13)

Mathematics
Tutor: None Selected Time limit: 1 Day

According to Mediamark Research, 88 million out of 179 million adults in the United States correct their vision by using prescription eyeglasses, bifocals, or contact lenses. (Some respondents use more than one type.) What is the probability that an adult selected at random from the adult population uses corrective lenses? Round your answer to the nearest thousandth.

Nov 22nd, 2015

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Population using corrective glasses =88 million

Total population =179 million

Required probability=People using corrective glasses/Total population =88/179 =.492 (answer)

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Nov 22nd, 2015

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