A quiz has 1 true-false question and 2 multiple choice questions that each have 4 answers what is the probability that someone q

Question

Anastasy [175]

2 years ago

8

A quiz has 1 true-false question and 2 multiple choice questions that each have 4 answers what is the probability that someone q

uessing all 3 answers will get 100% on the quiz

Mathematics

1 answer:

Anit [1.1K] · Answer 1 · 2022-08-29T17:44:25+03:00

Anit [1.1K]2 years ago

8 0

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