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3 years ago

someone help me pls is due today and if the answer is correct I will give you brainliest and follow you backʕ ꈍᴥꈍʔ

Mathematics

1 answer:

Gekata [30.6K]3 years ago

8 0

Answer:

b) 1/6

Step-by-step explanation:

You need to multiply the results from the question a) by 2.

1*2=2

----------

6*2=12

=2/12

now simplify it

2/12

=1/6

Hope this helps <3

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4 years ago

solo el 20% de los empleados de la población civil que está en una base militar restringida porta su identificación personal. Si

prisoha [69]

Usando la distribución binomial, hay una probabilidad de 0.8926 = 89.26% de que el guardia de seguridad encuentre al menos uno en la base militar restringida.

<h3>¿Qué es la distribución binomial?</h3>

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

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

Los parámetros son:

n es el número de ensayos.

p es la probabilidad de éxito en un ensayo

x es el número de éxitos

En este problema, hay que:

20% de los empleados de la población civil que está en una base militar restringida porta su identificación personal, o sea p = 0.2.

Llegan 10 empleados, o sea, n = 10.

La probabilidad de que el guardia de seguridad encuentre al menos uno en la base militar restringida es dada por:

$P(X \geq 1) = 1 - P(X = 0)$

En que:

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

$P(X = 0) = C_{10,0}.(0.2)^{0}.(0.8)^{10} = 0.1074$

Por eso:

$P(X \geq 1) = 1 - P(X = 0) = 1 - 0.1074 = 0.8926$

Hay una probabilidad de 0.8926 = 89.26% de que el guardia de seguridad encuentre al menos uno en la base militar restringida.

Puede-se aprender más a cerca de la distribución binomial en brainly.com/question/25132113

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3 years ago

You are debating about whether to buy a new computer for $800.00 or a refurbished computer with the same equipment for $640.00.

liraira [26]

APR refers to annual interest rate i e 4.5%

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2 years ago

Combining like terms and simplifying an equation, what is 8a-6+a-1

Sedbober [7]

Answer:

9a-7

Step-by-step explanation:

8a-6+a-1

Collect like terms

8a+a-6-1

= 9a-7

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2 years ago

someone help me pls is due today and if the answer is correct I will give you brainliest and follow you backʕ ꈍᴥꈍʔ​​

someone help me pls is due today and if the answer is correct I will give you brainliest and follow you backʕ ꈍᴥꈍʔ