8. Three quantum numbers are needed to describe the distribution of electrons in an atom. How these quantum numbers describe the distribution of electrons in an atom? (9 分)

II.1. The recruitment channels for a company are as follows: based on past experience, 50% of applicants learned of the openings through job banks, 10% through social media ads, 30% through employee referrals, and 10% through campus recruiting. The one-year turnover rates (the probability of an employee resigning within a year) are as follows: 10% for those from job banks, 20% for those from social media ads, 5% for those from employee referrals, and 30% for those from campus recruiting. If an employee is still with the company after one year, what is the probability that he (she) originally learned about the recruitment information through a job bank? (7%)

8. Three quantum numbers are needed to describe the distribution of electrons in an atom. How these quantum numbers describe the distribution of electrons in an atom? (9 分)

相關申論題

相關試卷