44. In Exercise 43, let Y denote the number of red balls chosen after the first but...

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44. In Exercise 43, let Y denote the number of red balls chosen after the first but before the second black ball has been chosen.

(a) Express Y as the sum of n random variables, each of which is equal to either 0 or 1.

(b) Find E[Y].

(c) Compare E[Y] to E[X] obtained in Exercise 43.

(d) Can you explain the result obtained in part (c)?

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Introduction To Probability Models

ISBN: 9780123756862

10th Edition

Authors: Sheldon M Ross

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Question Posted: Sep 16, 2024 03:01 AM

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44. In Exercise 43, let Y denote the number of red balls chosen after the first but...

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Introduction To Probability Models

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