A business owner wants to hire either Anastasia or Grace to be the new general manager of the company. However, they have been working in two different departments and it is not possible to compare their performance objectively. Then the business owner remembered that she learned about Z tests in college! So she decides to compare their performance by calculating their Z scores. Using the information below, who should be hired as the general manager? Anastasia's performance score in her department: 46 The mean performance score in her department: 40 Standard deviation: 12 Grace's performance score in her department: 32 The mean performance score in her department: 24 Standard deviation: 8 Anastasia Grace Both are equally successful Both performed below the mean so they shouldn't be hired