Question

A quiz has 1 true-false question and 2 multiple choice questions that each have 4 answers what is the probability that someone quessing all 3 answers will get 100% on the quiz

Answer 1

1 true and false question = 1 / 2 chances
2 multiple choice question = 2/8
1/2 + 2/8 =
4/8 + 2/8 = 6/8.

6/8 = 3/4

you have a 75% chance of getting all 3 answers correct and getting a 100% on the quiz

hope this helps :D