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Bad White [126]
2 years ago
5

An automobile producing company operates car dealerships that sell its cars. In order to assess the service costumers get at the

dealerships a team from the Customer Relationship Department was assembled. The team was sent to 20 randomly selected dealerships. Each dealership was visited once by the team for an entire working day. During a visit the team interviewed all the customers that arrived at the that dealership. One of the questions that each of the customers were asked is: "Do you currently possess a car made by our company?
Mathematics
1 answer:
harina [27]2 years ago
4 0

Answer:

Step-by-step explanation:

Hello!

The objective of this experiment is to assess the service customers receive at the dealerships.

1) The population in this survey is:

The population is the customers of car dealerships.

2) The sample in this survey is:

The random sample taken was 20 selected car dealerships, where the customers were surveyed.

3) A parameter that may be targeted by the survey is:

To study the service the customers receive at the dealerships and if it has any influence in the customers owning or not a car of the company, one parameter to study is the population proportion of customers that own a car of the company vs the proportion of customers that are satisfied with the service received.

4) A statistic that may be used to summarize the outcome of the survey is:

The statistic to use to summarize the outcome of the survey is the sample proportion.

I hope it helps!

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stellarik [79]

Answer:

If f(x) = 5x + 40, what is f(x) when x = –5 (D)

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Step-by-step explanation:

4 0
2 years ago
One month Ravi rented4 movies and8video games for a total of $57 The next month he rented2 movies and3 video games for a total o
e-lub [12.9K]

SOLUTION

Given the question in the question tab, the following are the solution steps to get the rental cost for each movie and each video game.

Step 1: Write the representation for the two rentals

Let m represents movies

Let v represent video games

Step 2: Write the statements in form of a mathematical equation

\begin{gathered} \text{Month 1: }4m+8v=57 \\ \text{Month 2: }2m+3v=23 \end{gathered}

Step 3: Solve the equations above simultaneously using elimination method to get the values of m and v

\begin{gathered} 4m+8v=57----(1) \\ 2m+3v=23----(2) \\ \text{ multiply equation 1 by 2 and equation 2 by }4 \\ 8m+16v=114----(3) \\ 8m+12v=92----(4) \\ \text{subtract equation (4) from equation (3)} \\ 4v=22 \\ v=\frac{22}{4}=5.5 \\ \text{Substitute 5.5 for v in equation 1 to get the value of m} \\ 4m+8v=57 \\ 4m+8(5.5)=57 \\ 4m+44=57 \\ 4m=57-44=13 \\ m=\frac{13}{4}=3.25 \\ m=\text{\$}3.25,v=\text{\$}5.50 \end{gathered}

Rental cost for each movies is $3.25

Rental cost for each video games $5.50

8 0
1 year ago
What is m<9 = 130 degrees, What is m<4
Gnesinka [82]

Answer:

50 degrees

Step-by-step explanation:

They are alternate exterior angles, so they add up to 180 degrees.

5 0
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Answer:

A² = 9

Step-by-step explanation:

substitute A = - 3 into A² , that is

A² = (- 3)² = - 3 × - 3 = 9

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Give the digits in the tenths place and the hundredths place <br> 73.91
azamat
Tenths is 73.9 hundredths is 73.91
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3 years ago
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