Question

A recent nationwide study of myopia (nearsightedness) found that 38.1% of American adults ages 18 to 24 suffer from myopia. Consider two young adults between the ages of 18 and 24, chosen randomly and independently. The probability that neither of them suffer from myopia is

Answer 1

The probability that neither of them suffer from myopia is 0.3831

Percentage given is 38.1% = 0.381

Probability is
`(1-0.381)^(2)` =
`(0.619)^(2)`

= 0.3831

Hence, the probability that neither of them suffer from myopia is 0.3831