Given the distribution for X: {1, 2, 3} with probabilities P(X) = {0.2, 0.5, 0.3}. The probability P(X ≥ 2) is:
Given the distribution for X: {1, 2, 3} with probabilities P(X) = {0.2, 0.5, 0.3}. The probability P(X ≥ 2) is:
- A. 0.5
- B. 0.7
- C. 0.8
- D. 1.0
Answer: C) 0.8
Explanation: P(X ≥ 2) = P(X=2) + P(X=3) = 0.5 + 0.3 = 0.8.
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