QUESTION 2 A manufacturing process has a 80% yield, meaning that 80% of the products are acceptable and 20% are defective. If three of the products are randomly selected from a large production, find the probability that all of them are acceptable. QUESTION 4 A bank's manager find that 5% of the new credit card holders will default at some time in their life. If he expected that 20 new credit card holders will default, what was the number of new card that were mailed out