A student takes a ten-question true-false quiz, but did not study and randomly guesses each answer. find the probability that the student passes the quiz with a grade of at least 40% of the questions correct. (round your answer to three decimal places.)
Accepted Solution
A:
Number of questions = 10 Probability of getting correct = 0.5 (because it is a true - false answer) 40% of 10 question = 4 questions