Question

According to a research company, during a certain year 82 million out of 174 million adults in the United States corrected 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 three decimal places.)

Answer 1

0.471

Answer 2

\[\frac{82}{174}=.471\]

Answer 3

yeah..

Answer 4

thankss :)