9. Every school day, Mr. Beal asks a randomly selected student to complete a homework problem on the board. If the selected student received a "B" or higher on the last test, the student may use a "pass," and a different student will be selected instead.
Suppose that on one particular day, the following is true of Mr. Beal’s students:
18 of 43 students have completed the homework assignment;
9 students have a pass they can use; and
7 students have a pass and have completed the assignment.
What is the probability that the first student Mr. Beal selects has a pass or has completed the homework assignment? Write your answer in percent.
a. 47% b. 42% c. 52% d. 74%
