At the beginning of the semester, a professor tells The professor informs the class that there will be a students that if they study for the tests, then there is a 55% chance they will get a B or...

Extracted text: At the beginning of the semester, a professor tells The professor informs the class that there will be a students that if they study for the tests, then there is a 55% chance they will get a B or higher on the tests. If test next week. What is the probability that a randomly selected student studied if they do not pass the test with a B or higher? they do not study, there is a 20% chance that they will get a B or higher on the tests. The professor knows from prior surveys that 60% of students study for the tests. The probabilities are displayed in the tree diagram. O 0.45 O 0.46 O 0.54 O 0.59 Gets B or 0.55 higher Studies for test Does not get B or higher 0.6 0.45 Random student Gets B or 0.20 04 Does not higher Mark this and return Save and Exit Next Subrnit DELL F3 F4- F5 F6 F7 F8 F9 F10 F11 F12 PriScr Inser %2$ 4. 8. R T Y 4 H K 近