Question 20 Three companies A, B and C supply 25%, 35% and 40% of the books to a school. Past experience shows that Not yet 5%, 4% and 2% of the books supplied by these companies contains typos errors. If a book was found to answered contain typos errors, what is the probability that the notebook was supplied by A? Marked out of 1.00 Select one: P Flag question O a. 0.5417 b. 0.6377 O c. 0.4583 O d. 0.3623