Free Practice Question
PS · Problem Solving
655-705
Probability
In a multiple choice exam consisting of 5 questions, each with 4 possible answers, what is the likelihood that a student answers 3 or more questions correctly? Each question has one correct answer, and the student has an equal chance of selecting any of the four options.
Answer Choices
Sign in to reveal the correct answerA
24/256
B
53/512
C
105/512
D
459/512
E
47/256
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Explanation
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Difficulty
655-705
Type
PS
Category