IB
IBO
Mathematics AA
October 2017
QP-201710-Mathematics-P2-SL · Question 4
Question (excerpt):
4. [Maximum mark: 8] A discrete random variable X has the following probability distribution. X 0 1 2 3 P (X = x) 0.475 2k2 10 k 6k2 (a) Find the value of k . [4] (b) Write down P (X = 2) . [1] (c) Fi…
4. [Maximum mark: 8] A discrete random variable X has the following probability distribution. X 0 1 2 3 P (X = x) 0.475 2k2 10 k 6k2 (a) Find the value of k . [4] (b) Write down P (X = 2) . [1] (c) Fi…
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