Question
Darby guesses the answers to six questions on the math portion of her college entrance exam. Each question is a true or false question. What is the approximate probability that at least 4 of her answers are correct?
A. 0.23
B. 0.34
C. 0.66
D. 0.78
Is it B?
A. 0.23
B. 0.34
C. 0.66
D. 0.78
Is it B?
Answers
Can you show us how you chose B?