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Umnica [9.8K]
3 years ago
6

División de fracciones. 2/5÷10/7​

Mathematics
1 answer:
xeze [42]3 years ago
8 0

jk,Answer:

Step-by-step explanation:

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En la final de un concurso escolar de
Sati [7]

Usando la distribución hipergeométrica,  la probabilidad de que los alumnos del colegio A obtengan los dos premios (no hay empates), es: 0.2 = 20%.

<h3>¿Qué es la fórmula de distribución hipergeométrica?</h3>

La fórmula es:

P(X = x) = h(x,N,n,k) = \frac{C_{k,x}C_{N-k,n-x}}{C_{N,n}}

C_{n,x} = \frac{n!}{x!(n-x)!}

Los parámetros son:

  • x es el número de éxitos.
  • N es el tamaño de la población.
  • n es el tamaño de la muestra.
  • k es el número total de resultados deseados.

Los valores de los parámetros son:

N = 6, k = 3, n = 2.

La probabilidad de que los alumnos del colegio A obtengan los dos premios (no hay empates), es P(X = 2), por eso:

P(X = x) = h(x,N,n,k) = \frac{C_{k,x}C_{N-k,n-x}}{C_{N,n}}

P(X = 2) = h(2,6,2,3) = \frac{C_{3,2}C_{3,0}}{C_{6,2}} = 0.2

Puede-se aprender más a cerca de la distribución hipergeométrica en brainly.com/question/24826394

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4 0
2 years ago
Select the correct answer. A line each runs from point B through points A and C. First arc, centered at B, cuts line B A at J an
anastassius [24]

In order to make point D as the vertex in the construction as triangle ABC, the third arc should cross the second arc.

<h3>What is an arc?</h3>

In Geometry, an arc can be defined as a trajectory that is generally formed when the distance from a given point has a fixed numerical value.

In order to make point D as the vertex in the construction as triangle ABC, you must ensure that the third arc crosses the second arc as illustrated in image attached below.

Read more on arc here: brainly.com/question/20594692

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6 0
3 years ago
Find the slope of a line containing points 4,-6 and 6,-4
telo118 [61]
Slope of a line = Y2-Y1/X2-X1
--> (-4)-(-6)/6-4
= -4+6/ 6-4
= 2/2
The slope of the line = 1
4 0
4 years ago
Suppose that there are two types of tickets to a show: advance and same-day. Advance tickets cost $15 and same-day tickets cost
skad [1K]
27 and 18 tickets were sold
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4 years ago
√(4²+7²) PLS HELP WILL GIVE BRAINLIEST FOR QUICKEST AND CORRECT ANSWER!!!!
cupoosta [38]

Answer:

8.06

Step-by-step explanation:

Hope it helps

7 0
3 years ago
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