Detailed Instructions: Given a math problem with context and a question and 5 answer choices, the task is to provide the correct answer choice based on the problem. You must choose one of the given answer choices by letter: a, b, c, d, or e; anything else is invalid.
Problem:Problem: an exam consists of 8 true / false questions. brian forgets to study, so he must guess blindly on each question. if any score above 80 % is a passing grade, what is the probability that brian passes ?
Options: a. 1 / 16, b. 37 / 256, c. 1 / 2, d. 219 / 256, e. 125 / 256
Solution:
e