Score Distribution Two forms of a standardized math exam were given to 100 students. The
Chapter 8, Problem 61(choose chapter or problem)
Score Distribution Two forms of a standardized math exam were given to 100 students. The following are the results. Form Form Score A B Total Over 8O% 8 12 20 Under 80% 32 48 80 Total 40 60 100 (a) What is the probability that a student who scored over 80% took form A? (b) What is the probability that a student who took form A scored over 80%? (c) Show that the events scored over 80% and took form A are independent. (d) Are the events scored over 80% and took form B independent?
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer