The major risk of online trading is security

Dollar General uses a low-cost strategy as a company. They want to bring in more customers by keeping prices low. How would this strategy impact the type of selection process used at Dollar General for sales associates?

a. The company will want to use a multi-step process, including well-designed behavioral interviews conducted by a panel of interviewers. Hiring the right people that can help keep cost down and volume high is critical. b. The strategy has no impact on the selection process. All companies have the same goals of hiring the most qualified candidates so selection processes are pretty standard across companies. c. The company will focus on cultural fit in the selection process to make sure employees can help innovate to keep a low-cost strategy. d. The company is likely to use a simple application and short interview process, along with a background check to be as efficient in the hiring process as possible.

In a production run of 300 units, there are exactly 20 defective items and 280 good items

(a) What is the probability that a randomly selected item is defective? (b) If two items are sampled without replacement, what is the probability that both are good? (c) If two items are randomly sampled without replacement, what is the probability that the first is good but the second is defective?