General Studies · Probability Distributions
Find the values of a and b so that the following is a valid probability mass function with a mean of 1.1: X012P(X = x)3a3b4b
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(0.2, 0.1)
- 2(0.1, 0.2)
- 3(0.1, 0.1)✓
- 4(0.2, 0.2)
Correct answer
(0.1, 0.1)
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