Problem:
There are two more assignments in a class before its end, and if you get an A on at least one of them, you will get an A for the semester. Your subjective assessment of your performance is
Event |
Probability
|
A on paper and A on exam |
..25 |
A on paper only |
.35 |
A on exam only |
.30 |
A on neither |
.10 |
Required:
Question 1) What is the probability of getting an A on the paper?
Question 2) What is the probability of getting an A on the exam?
Question 3) What is the probability of getting an A in the course?
Question 4) Are the grades on the assignments independent?
Solve the problem and show all work.