80% finish high school
40% finish college
8% get master’s
2.4% get PhD
12. Suppose 80% of students finish high school. Of them, 50% finish college. Of them, 20% get a master’s degree. Of them, 30% get a Ph.D.
(i) What percentage of students get a Ph.
2 answers
An atchor shoots with an 85% accurancy rate? What is the prpbability tat he will make at least 4 of the 5 shots?