1.- A survey was conducted to find out the number of readers who prefer to read books or magazines. The results were as follows: 20% of respondents prefer books, 16% prefer magazines, and 1% read both. If a reader who prefers books is randomly selected, what is the probability that he also likes to read magazines?

a) 0.05

b) 0.0625

c) 0.5

d) 0.08