Question: Let x be a random variable with probability mass function given by: Sea X una v.a con f.m.p dada por: k Hallar V[X] 2k 2k

Sea X una v.a con f.m.p dada por: k Hallar V[X] 2k

Let x be a random variable with probability mass function given by:

2k 3k k2 2k2 7k2+k

Sea X una v.a con f.m.p dada por: k Hallar V[X] 2k 2k 3k k2 2k2 7k2+k

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