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PSYCHO15rus [73]
2 years ago
13

Which of the following is a benefit to using a random sample for an observational study?

Mathematics
2 answers:
sashaice [31]2 years ago
8 0

Answer:

C. The results of the observational study can be generalized to the population.

Step-by-step explanation:

I chose E and it was wrong.

Pavel [41]2 years ago
6 0

Answer:

Step-by-step explanation:

Even though no answer choices are given, the main benefit of this is that by choosing a randomly from a population it allows every single individual to have the same chance of getting chosen and observed. This randomness allows for that sample group to much more accurately represent the entire population that is being observed without having to conduct additional research. Therefore, becoming extremely useful in such studies.

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Witch of the functions below could possibly have created this graph? A.f(x)-x^5+2x^4-3x B.f(x)=-1/3x^4+7x^2+15 C.f(x)=1.9x^8+15x
soldi70 [24.7K]

B.f(x)=-1/3x^4+7x^2+15

Step-by-step explanation:

You can use a graph tool to graph the function a visualize the behavior.

Using a graph tool, the function,.f(x)=-1/3x^4+7x^2+15 could possibly have created the graph. See attached graph for the function.

Learn More

Graphs of polynomial function: brainly.com/question/12373761

Keywords: functions, created, graph

#LearnwithBrainly

3 0
2 years ago
Which of the following is an extraneous solution of StartRoot 4 x + 41 EndRoot = x + 5? x = –8 x = –2 x = 2 x = 8
Finger [1]

Answer:

-8

Step-by-step explanation:

when you solve for x you get -8 but when you pkug it back in both sides are not equal, making it extranious

5 0
1 year ago
Read 2 more answers
A round table top has a diameter of 2.6 meters.What is its surface area
sergij07 [2.7K]
Hello!

To find the area of a circle you use the equation

\pi  r^{2}

r is radius which is half the diameter

r = 2.6 / 2

r = 1.3

Put in the values you know

\pi  1.3^{2}

Square the number

1.69 \pi  = 5.31

The answer is 1.69 \pi or ≈5.31

Hope this helps!
8 0
2 years ago
Read 2 more answers
The tens digit is missing from the three digit number 8_9. If the tens digit is to be randomly selected from the ten different d
Nastasia [14]

Answer:

9 times 91 = 819

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
In ΔIJK, j = 940 inches, ∠J=20° and ∠K=50°. Find the length of i, to the nearest inch.
zzz [600]

Answer:

5170 inches

Step-by-step explanation:

To solve this problem, we need to figure out a.), the angle measurement of I, and b.), the amount of inches per degree, which will lead us to c.), the final answer.

1) Add the measurements of J and K.

20 + 50 = 70

2) Subtract from 180 to find the measurement of I

180 - 70 = 110

∠I = 110°

3) Divide 940 by 20 to find the amount of inches per degree.

940/20 = 47

4) Multiply 47 by 110 to get the measurement of I.

47 * 110 = 5170

Final answer: I = 5170 inches

6 0
2 years ago
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