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Info Sys Quiz

Tiffhanie Ramos 7 preguntas

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Preguntas del test (7)

1What is a [blank_start]probability space[blank_end]?
i. a set Ω, together with
ii. a function f : Ω → [0, 1]
1. Aprobability space
2What is a probability space?
i. a [blank_start]set[blank_end] Ω, together with
ii. a [blank_start]function[blank_end] f : Ω → [0, 1]
1. Aset
2. Bfunction
3When are two events E, E’⊆ Ω are disjoint?
1. An E ∩ E’ = []
2. Bn E ∩ E’ = 1
3. Cn E U E’ = []
4. Dn E U E’ = 1
4What’s equivalent to Pr[X = x AND Y = y]?
1. APr[X = x] Pr[Y = y]
2. BPr[X = x] + Pr[Y = y]
3. CPr[X = x]- Pr[Y = y]
4. DPr[X = x] /Pr[Y = y]
5If X,Y are independent then we can show that E[XY] =?
1. AE[X]E[Y]
2. B(E[X]E[Y])/(X+Y)
3. CE[X]+E[Y]
4. DE[X]/E[Y
6If X,Y are independent then we can show that E[XY] =? In terms of variance
1. AVar[X + Y] = Var[X] + Var[Y]
2. BVar[XY] = Var[X]Var[Y]
3. CVar[X + Y] = Var[X]Var[Y]
4. DVar[XY] = Var[X] + Var[Y]
7AND = ? in terms of sets?
1. AIntersection
2. Bmultiplication
3. CUnion
4. Daddition

Descripción: Test sobre Info Sys Quiz, creado por Tiffhanie Ramos el 13/02/2018.
Autor: Tiffhanie Ramos
Idioma: English
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