In a Finance Class,the Final Grade Is Based on Three

Multiple Choice

In a finance class,the final grade is based on three tests. Historically,the instructor tells the class that the joint probability of scoring As on the first two tests is 0.5. A student assigns a probability of 0.9 that she will get an A on the first test. What is the probability that the student will score an A on the second test given that she scored an A on the first test?

A) 0.50
B) 0.95
C) 0.56
D) 0.90