Answer
b. Guessing at least 1 incorrect answer
Work Step by Step
Complement of guessing 5 correct answers is guessing at least 1 incorrect answer as it will negate the event of all correct answers.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.