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Consider an elective course in which there are 10 students from the 2017 batch and 10 students from the 2018 batch. Ten teams of two students each are randomly created. Let X denote the number of teams that have one student from the 2017 batch and one student from the 2018 batch.

Compute Var(X).

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Jyotsana Prakash
Jyotsana PrakashLv10
11 Feb 2021

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