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Lyrx [107]
1 year ago
8

yolanda went to get her car fixed. it cost $50 for the part and $200 for each hour the mechanic worked on it. if x represents th

e number of labor hours and y is the total cost of repairing her car,
Engineering
1 answer:
sergij07 [2.7K]1 year ago
6 0

The amount that a dealership pays a manufacturer for a car is essentially its invoice price.

A car with a $28,000 MSRP, for instance, can have an invoice price of about $26,000, which means that the dealer paid the manufacturer $26,000 for the car. Repair costs do not include operating costs and refer to costs and expenses that are reasonably necessary or desirable owing to routine wear and tear, periodic replacement, vandalism, damage to, or destruction of any part of the facility property. In the simplest terms, total cost (TC) is the sum of all expenses spent over the course of production or activity. Total cost in economics is the sum of variable and fixed costs.

Learn more about production here-

brainly.com/question/21185109

#SPJ4

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La probabilidad de que un nuevo producto tenga éxito es de 0.85. Si se eligen 10 personas al azar y se les pregunta si compraría
liq [111]

Answer:

La probabilidad pedida es 0.820196

Explanation:

Sabemos que la probabilidad de que un nuevo producto tenga éxito es de 0.85. Sabemos también que se eligen 10 personas al azar y se les pregunta si comprarían el nuevo producto. Para responder a la pregunta, primero definiremos la siguiente variable aleatoria :

X: '' Número de personas que adquirirán el nuevo producto de 10 personas a las que se les preguntó ''

Ahora bien, si suponemos que la probabilidad de que el nuevo producto tenga éxito se mantiene constante (p=0.85) y además suponemos que hay independencia entre cada una de las personas al azar a las que se les preguntó ⇒ Podemos modelar a X como una variable aleatoria Binomial. Esto se escribe :

X ~ Bi(n,p) en donde ''n'' es el número de personas entrevistadas y ''p'' es la probabilidad de éxito (una persona adquiriendo el producto) en cada caso.

Utilizando los datos ⇒ X ~ Bi(10,0.85)

La función de probabilidad de la variable aleatoria binomial es :

p_{X}(x)=P(X=x)=\left(\begin{array}{c}n&x\end{array}\right)p^{x}(1-p)^{n-x}    con x=0,1,2,...,n

Si reemplazamos los datos de la pregunta en la función de probabilidad obtenemos :

P(X=x)=\left(\begin{array}{c}10&x\end{array}\right)(0.85)^{x}(0.15)^{10-x} con x=0,1,2,...,10

Nos piden la probabilidad de que por lo menos 8 personas adquieran el nuevo producto, esto es :

P(X\geq 8)=P(X=8)+P(X=9)+P(X=10)

Calculando P(X=8), P(X=9) y P(X=10) por separado y sumando, obtenemos que P(X\geq 8)=0.820196

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Answer:

attached below

Explanation:

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A,C, and D

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Answer:

Explanation:

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