Suppose that n students, say S1, S2,, Sn, apply for a postgraduate program, and they all receive

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Suppose that n students, say S1, S2,…, Sn, apply for a postgraduate program, and they all receive an invitation to attend an interview. They all arrive in time and they are called upon one after the other.

(i) Find the number of different ways for the order they will be called for the interview.

(ii) What is the probability that students S1 and S2 will be called first and second, respectively, for the interview?

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Introduction To Probability Volume 2

ISBN: 9781118123331

1st Edition

Authors: Narayanaswamy Balakrishnan, Markos V. Koutras, Konstadinos G. Politis

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