题目
题目

econ_203_120255_248725 Midterm

判断题

True or False? Consider the following table:    x P(X=x) 0 0.32 1 2 0.20 3 0.15 4 -0.05 If P(X=1) is assigned a value of 0.38, then the above distribution is a valid probability distribution.

选项
A.True
B.False
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思路分析
Consider the given probability table and the rule that probabilities must be nonnegative and sum to 1. Option 1: True. If someone claimed the distribution is valid, we would check both nonnegativity and the total probability. Here, P(X=4) = -0.0......Login to view full explanation

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