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leonid [27]
3 years ago
15

Mariah is a manager of a fitness training center that serves a certain region. She is interested in the amount of water adult re

sidents in her region consume on average per day. She conducts a survey, where she selects 645 adult residents from the region at random and asks each individual to track how much water, in fluid ounces he or she consumes on average per day Among the 645 in the sample, the average is approximately 62.7 fluid Ounces Explain whether the results of Mariah's survey could be extended to all the residents of the region (1 point)
A) The results of the survey could be extended to all residents of the region because Mariah's fitness training center serves the region that contains the population of interest.
B) The results of the survey cannot be extended to all residents of the region because Maria only selected adult residents of the region at random.
C) The results of the survey could be extended to all residents of the region because all of the individuals in Mariah's sample are residents of the region
D)The results of the survey could be extended because the adult residents in Mariah's sample are representative of al the residents of the region.
Mathematics
1 answer:
Luden [163]3 years ago
5 0
Your answer should be B
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TiliK225 [7]

Answer:

6 years

Step-by-step explanation:

First, you need to write an equation for this problem. I'll write it in slope intercept:

y = mx + b

where m is the slope and b is the y-intercept

To find m, do (change in y/change in x):

using (2, 59000) and (5, 72500),

(72500 - 59000) / (5 - 2)

= 13500 / 3

= 4500

So we have y = 4500x + b

To find b, plug in one of the points into the equation with the slope:

using (2, 59000),

y = 4500x + b

59000 = 4500(2) + b

59000 = 9000 + b

50000 = b

So now you have an equation: y = 4500x + 50000. Now that there is an equation, just insert the given y-value and solve:

when y = 77000

y = 4500n + 50000

= 77000 = 4500x + 50000

= 27000 = 4500x

= 6 = x

So, when Claire's Salary is 77000, her number of years at the company is 6.

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3 years ago
What two numbers add up to -27 and multiply to 72?
leonid [27]
-3-24=-27, -3x-24=72
Answer is -3 and -24
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Solve 25/75+ 25/125=
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0.476 is the answer to this question.
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Is this the correct answer?
Llana [10]

Answer: Choice A) An economic theory that is shared by the discipline of Psychology

Through the research I've found so far, the articles mention that economic choices have a psychological link. This is because economics is basically the study of human psychology (more or less) in terms of how to allocate resources and how best to use them. The law of diminishing marginal utility is basically the idea where the concept "more is always better" is simply not true. An example would be that you are at a restaurant and there's an endless buffet. The food isn't infinite and neither is the capacity of your stomach. After a certain point, you'll find that eating another burger isn't as satisfying as eating the first few burgers. You can think of it as a graph where the curve may start with a sharp increase, but eventually it levels off.

Side note: The term "affective habituation" may be used in psychology textbooks as something very similar to the law of diminishing marginal utility.

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lys-0071 [83]
The slope is that same
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