kamil
Answered

Welcome to Westonci.ca, your go-to destination for finding answers to all your questions. Join our expert community today! Experience the convenience of getting reliable answers to your questions from a vast network of knowledgeable experts. Explore comprehensive solutions to your questions from a wide range of professionals on our user-friendly platform.

In an examination there are four multiple choice questions with 3 options each, of which one option is the correct answer. In how many ways can a student answer, such that he fails to answer all the four questions correctly? Thank you for help :)

Sagot :

iloveonedirection
4 multiple choice questions
3 answers per question

4 × 3 = 12

12 possible answers total

12 - 4 = 8

8 incorrect answers
4 correct answers

3 × 3 × 3 × 3 = 81

81 possible ways they can answer

Only one of those ways is 100% correct.

81 - 1 = 80

80 ways
We hope you found this helpful. Feel free to come back anytime for more accurate answers and updated information. Thank you for choosing our platform. We're dedicated to providing the best answers for all your questions. Visit us again. Thank you for choosing Westonci.ca as your information source. We look forward to your next visit.