# estadstica 6.doc - 1 Una variable aleatoria continua X que...

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1. Una variable aleatoria continua X que toma valores entre 2 y 8 inclusive, tiene una función densidad dada por a (X+3), con a constante: a. Calcule: a. Halle e interprete los resultados: b. Pr 3 X 5 c. Pr X 4 2. Una variable aleatoria continua X tiene función de probabilidad: cx 2 para 1 X 2 f(x) = cx para 2 X 3 0 en otra parte

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Unformatted text preview: Halle: a. la constante c b. P (X 2) c. P(1/2 X 3/2) 3. Una variable aleatoria continua X tiene función de probabilidad: cx 3 para 0 X 5 f(x) = cx para 5 X 7 en otra parte Halle: d. la constante c e. P (X 5) f. P(X 2) Calcular: a. P Z 1,23 = 0,8907 b....
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