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Statistics for Data Science I · Quiz 2 · 23 Nov 2025 · September 2025 term

Question 12: A library wants to issue 4 books to a student from a col…

Question 12

+3 marksNumerical answer

A library wants to issue 4 books to a student from a collection of n different books. The number of possible selections that include two particular books is 15. Based on the given information, answer the subquestions.

Find the value of n.

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Correct answer: 8

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Question 12 of 15 in the IIT Madras BS Statistics for Data Science I (Stats 1) Quiz 2 paper sat on 23 Nov 2025, in the September 2025 term (IIT M DEGREE AN EXAM QDB2 23 Nov 2025 NEW). It carries 3 marks.

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