5. Let x be a random variable with the following probability distribution.
x P(x)
1 0.6
5 0.4
Consider a sample of size 3 from the population, and let x be the sample mean. Construct a probability distribution for x.
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correct Answer
x P(x)
1 .216
7/3 .432
11/3 .288
5 .064
x P(x)
1 0.216
7/3 0.432
11/3 0.288
5 0.064
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