Question

Questions 25-26. A small brewery has two bottling machines. Machine 1 produces 75% of the bottles of beer while Machine 2 produces 25%. One out of every 20 bottles lled by Machine 1 is rejected because of poor quality, while one out of every 10 bottles from Machine 2 is rejected. 25. What percentage of bottles is rejected? (a) 7.5% (b) 6.25% (c) 8.75% (d) 40% (e) None of the answers is correct. 26. What is the probability that a randomly selected bottle comes from Machine 1, given that it is not rejected? (a) 0.76 (b) 0.05 (c) 0.7125 (d) 0.95 (e) None of the answers is correct. And please show your work so I can follow along.

Answer 1