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OleMash [197]
3 years ago
12

De un saco de frutas que contiene 3 naranjas, 2 manzanas, y 3 plátanos, una muestra aleatoria de 2 piezas de se selecciona la fr

uta. Si X es el número de naranjas e Y es el número de manzanas en la muestra, encuentre
(a) la distribución de probabilidad conjunta de X y Y, muestre la tabla de distribución;
(b) Pruebe que la suma de columnas y renglones nos entregan las distribuciones marginales de X , Y
(c) Calcule P(Y = 0|X = 2).
(d) Demuestre que las variables aleatorias X ,Y no son estadísticamente independientes
Mathematics
1 answer:
rodikova [14]3 years ago
3 0

Answer:

speak english plz

Step-by-step explanation:

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Cube A has an edge length of 3 inches. Cube B has an edge length double that of Cube A.
Volgvan

Answer:

216

Step-by-step explanation:

Cube A volume

3*3*3=27

Cube B volume

6*6*6=216

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if the volume of an open box with a square base is 5 cubic feet, write the surface area, S, of the box as a function of x, the l
AleksandrR [38]
Check the picture below.

the box is an open box, meaning the top is open, so that is not taking up area, so is not part of the surface area.

so can just get the area of the bottom, and the sides and sum them up, keeping in mind that the bottom is just an area of x² and the sides are just 4 rectangles of area h*x.

\bf SA=\stackrel{\textit{bottom}}{(x\cdot x)}~~+~~\stackrel{\textit{4 lateral sides}}{4(hx)}\implies 
SA=\stackrel{\textit{bottom}}{x^2}~~+~~\stackrel{\textit{4 lateral sides}}{4\left(\cfrac{5}{x^2}\cdot x  \right)}
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8 0
3 years ago
Craig collects stamps he collected a total of 150 stamps if 88% of the stamps be collected were foreign how many stamps did he c
sertanlavr [38]

Answer:

18 Non Foreign Stamps

Step-by-step explanation:

Given data

Total stamps= 150

Foreign Stamps= 88% of the total stamps

Hence the number of foreign stamps is

=88/100*150

=0.88*150

=132 Foreign Stamps

The number of stamps that is Non Foreign Stamps is

=150-132

=18 Non Foreign Stamps

8 0
3 years ago
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