Activity 3: SkilI Building Activities (20 minutes) Directions: Have you study the content notes? That's great! Now, do some a though the use of Random Variables 1. Let XX be a discrete random variable with the following probability distributio 4 6. 7 8. f(x) 0.15 0.35 0.10 0.25 0.15 orth b) Calculate the following probabilities (astunim a. (X<7.5)P(X<7,5) b. (X>8)P(X>8) mele e C. (4SX56.5)P(4SXS6.5) d. (5

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