Question: 2019 Winter Midterm - 17
This midterm has 17 questions. For each question, four options are given, exactly one of which is
correct. Assume that you answer each question, by choosing one of the four options uniformly at random.
Let A be the event
Let A be the event
- A = "you answer at least 16 questions correctly".
(a)
$\frac{52}{4^{17}}$
(b)
$\frac{49}{4^{17}}$
(c)
$\frac{51}{4^{17}}$
(d)
$\frac{4^{17}}{52}$