Q5.In a quiz competition, eight students are competing, each assigned a roll number from 1 to 8. What is the probability that only students with prime-numbered roll numbers, i.e. 2,3,5,7, secure the top four ranks, in any order? Enter the answer correct to three decimal places.
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Q5
3 Aug 2025
Q5.In a quiz competition, eight students are competing, each assigned a roll number from 1 to 8. What is the probability that only students with prime-numbered roll numbers, i.e. 2,3,5,7, secure the top four ranks, in any order? Enter the answer correct to three decimal places.
