Statistics And Probability Archive: Questions from September 10, 2024
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Supongamos que Z sigue la distribución normal estándar, es
decir, Z ∼ n(x; 0, 1). Hallar
(a) P(Z≤2,45)
(b) P(0,03≤Z≤1,38)
(c) P(Z>1,25)
(d) P(2,15<Z≤2,50)
(e) P(2,15≤Z<2,50)
(f)
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Las variables aleatorias X e Y tienen una distribución conjunta
dada por la siguiente tabla:
y=1
y=2
y=3
y=4
x=1
0,05
0,10
0,10
0,01
x=2
0,15
0,25
0,20
0,05
x=3
0,01
0,03
0,04
0,01
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