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A multiple choice examination has 5 questions. Each question has three alternative answers of which exactly one is correct. The probability that a student will get 4 or more correct answers just by guessing is
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Question 2
PARAGRAPH AThere are five students and in a music class and for them there are five seats and arranged in a row, where initially the seat is allotted to the student . But, on the examination day, the five students are randomly allotted five seats. For let denote the event that the students and do NOT sit adjacent to each other on the day of the examination. Then, the probability of the event is(b) (c) (d) Stuck on the question or explanation?
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Question Text | A multiple choice examination has 5 questions. Each question has three alternative answers of which exactly one is correct. The probability that a student will get 4 or more correct answers just by guessing is |
Answer Type | Video solution: 1 |
Upvotes | 150 |