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TSR Wiki > Study Help > Subjects and Revision > Mathematics > Mathematics A Level > Maths A Level S3

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Textbook Answers

Chapter 1 - Combinations of Random Variables

• Ex 1A: 8

Review Exercise 1: 29

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Mistakes in Textbook

Heinemann (2000): pg 2 should read as follows - "... as above then M ~ N(24μ_B + 24μ_T + μ_C, 242σ2_B + 242σ2_T + σ²_C) " - i.e. the 24's after the comma should be squared.