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FromTheMoon [43]
3 years ago
14

Find the distance between a and b

Mathematics
1 answer:
Nadusha1986 [10]3 years ago
6 0

Answer:I believe it is 2.4

Step-by-step explanation:

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Eric randomly surveyed 150 adults from a certain city and asked which team in a contest they were rooting​ for, either North Hig
Rainbow [258]

Answer:

Proportion = 0.6 or 60 %

Step-by-step explanation:

Given:

- The obtained 95% confidence interval of a sample of adults rooting for North High:

                                         (0.52 , 0.68)

- Sample size n = 150

Find:

What proportion of the 150 adults in the survey said they were rooting for North High​ School?

Solution:

The proportion of adults rooting for North high corresponds to the mean value of interval, as follows:

                             Proportion = ( 0.52 + 0.68 ) / 2

                            Proportion = 0.6 or 60 %

7 0
3 years ago
En una urna hay bolas numeradas del 0 al 99 (es decir: 0; 1; 2; 3... Hasta el 99). Juan y María realizan la experiencia de extra
dusya [7]

Answer:

Ambos tienen la misma probabilidad de lograr su objetivo y esa probabilidad es 0.81

Step-by-step explanation:

Se sabe que nuestra urna contiene bolas numeradas del 0 al 99. En total tenemos 100 bolas en nuestra urna.

Definimos los siguientes eventos :

J : '' El número extraído no incluye en su numeración la cifra 3 ''

M : '' El número extraído no incluye en su numeración la cifra 9 ''

Para saber quién tiene mayor probabilidad de lograr su objetivo debemos calcular la probabilidad de los eventos J y M.

Ahora bien, nuestro espacio muestral (Ω) está conformado por los siguientes elementos :

Ω = {0, 1 , 2 , ... , 99}

Donde cada uno de ellos tiene la misma probabilidad de ocurrencia. Estamos ante un espacio muestral equiprobable. Por ende, para calcular las respectivas probabilidades de los eventos J y M vamos a hacerlo mediante la siguiente fórmula :

P(J)=\frac{CasosFavorables}{CasosTotales}

Los casos totales son 100 (es el número de bolas numeradas en la urna).

Los casos favorables al evento J son 81 (son todos los números del 0 al 99 que no incluyen la cifra 3 en su numeración) ⇒

P(J)=\frac{81}{100}=0.81

La probabilidad del evento J es 0.81

De manera análoga, calculamos la probabilidad del evento M :

P(M)=\frac{CasosFavorables}{CasosTotales}=\frac{81}{100}=0.81

De igual manera, los casos totales siguen siendo 100.

Tenemos 81 números del 0 al 99 que no incluyen la cifra 9 en su numeración.

La probabilidad del evento M es 0.81

La probabilidad de ambos eventos es igual y vale 0.81

Finalmente, tanto Juan como María tienen la misma probabilidad de lograr su objetivo.

6 0
3 years ago
Please help it’s urgent
Leto [7]

Answer:

I think it might be the top one but I'm not sure

7 0
3 years ago
PLEASE HELP A boat is carrying containers that weigh 1000 pounds each. Use this information to fill in the table. Then plot the
Inessa05 [86]

Answer:

<h2>For the table, the answers are 2000, 4000, 7000. for the graph the plots will be at (2,2000) (4,4000) (7,7000)</h2>

Step-by-step explanation:

A boat is carrying containers that weigh 1000 pounds each.

For the table

2 x 1000 = 2000

4 x 1000 = 4000

7 x 1000 = 7000

For the graph

2, 4, and 7 are given as your X  axis points. You will then raise those answers to your corresponding answers for the table. so your Y axis points will be 2000, 4000, and 7000.

8 0
3 years ago
A company has fixed monthly costs of $130,000 and production costs on its product of $32 per unit. The company sells its product
Svet_ta [14]

Answer:

The cost function is C(x)=32x+130000.

The revenue function is R(x)=66x.

The profit function is P(x)=34x-130000.

Step-by-step explanation:

We have the following definitions:

The cost function is a mathematical formula that gives the total cost to produce a certain number of units. It consists of variable costs and fixed costs and is given by

C(x)=(fixed \:cost)+x\cdot (variable \:cost)

If x units are sold and the price per unit is p(x), then the total revenue is

R(x)=x\cdot p(x)

and R(x) is called the revenue function.

If x units are sold, then the total profit is

P(x)=R(x)-C(x)

and P(x) is called the profit function.

Applying the above definitions we get that:

We know that the company has fixed monthly costs of $130,000 and production costs on its product of $32 per unit.

Therefore,

The cost function is C(x)=32x+130000.

We know that the company sells its product for $66 per unit.

Therefore,

The revenue function is R(x)=66x.

The profit function is

P(x)=R(x)-C(x)\\P(x)=66x-(32x+130000)\\P(x)=34x-130000

4 0
3 years ago
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