Part A

What is the magic number in $($Figure $1)?$ You could try to guess the magic number but you would probably use up all your tries before getting the correct answer.

Notice the View Available Hint$($s$)$ link underneath the question statement for this part. Selecting this link will open up a list of hints that will guide you to the

correct number.

View Available Hint$($s$)$

magic number $=$

Part B

Multiple$-$choice questions have a special grading rule determined by your instructor. Assume that your instructor has decided to grade these questions in the

following way: If you submit an incorrect answer to a multiple$-$choice question with $n$ options, you will lose $\frac{1}{n-1}$ of the credit for that question. Just like the

similar multiple$-$choice penalty on most standardized tests, this rule is necessary to prevent random guessing. If a multiple$-$choice question has five answer

choices and you submit one wrong answer before getting the question correct, how much credit will you lose for that part of the question?

$100\%$

$50\%$

$33\%$

$25\%$

$20\%$