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6.2 Exercise 2

Avg difficulty 2.5

Random variable X, in canonical form, is given by X=-2IA-IB+IC+2ID+5IEX = - 2 I_{A} - I_{B} + I_{C} + 2 I_{D} + 5 I_{E}.

Express the events {X∈[2,3)},{X≤0},{X<0}\left\{X \in \left[2 , 3\right)\right\} , \left\{X \leq 0\right\} , \left\{X < 0\right\}, {|X-2|≤3}\left\{\left|X - 2\right| \leq 3\right\}, and {X2≥4}\left\{X^{2} \geq 4\right\}, in terms of A,B,C,DA , B , C , D, and E.

Pfeiffer, Applied Probability, 6.2 Problems on Random Variables and Probabilities, exercise 2

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Adapted from Applied Probability © 2009 Paul E. Pfeiffer. Licensed under CC BY 3.0. Source: Applied Probability. Imported at revision d7a0420.