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Natasha_Volkova [10]
3 years ago
8

FreezeFrame, a social networking site, sent out a survey in which the users simply click a response to join the sample. One of t

he questions in 2015 was, "Do you prefer to shop online?" More than 45,000 people responded, with 79% responding yes. What can you conclude from the survey?
Mathematics
1 answer:
kramer3 years ago
7 0

Answer:

Here, Convenience sampling is used by the poll

Explanation:

Convenience sampling also called as opportunity, grab or accidental sampling is a kind of non-likelihood testing that includes the sample being drawn from that piece of the populace that is near hand. This sort of sampling is most valuable for pilot testing.  

Convenience sampling is a procedure used to make sample according to straightforward entry, readiness to be a sample's part , accessibility at a given scheduled slot.  

So, this method of sampling is biased and don't results in desired outcomes.

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5(3a-1)-2(3a-2)=3(a+2)+v
STatiana [176]

Answer:

<u>The answer is option C. 6a-7</u>

Step-by-step explanation:

Given that

5(3a-1)-2(3a-2)=3(a+2)+v

Solve for v

∴ v = 5(3a-1)-2(3a-2) - 3(a+2)

∴ v = 15a - 5 - 6a + 4 - 3a - 6

∴ v = 15a - 6a - 3a - 5 + 4 - 6

∴ v = 6a - 7

<u>So the answer is option C. 6a-7</u>

5 0
3 years ago
Simplify (2sq root 5-4) (3sq root 5-2)
tatuchka [14]

Answer:

2√5-4(3√5-2)

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30+8-16√5

38-16√5

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3 years ago
What is the line that goes through (-5,1) and perpendicular to y= 5/4x + 3
lesya [120]
Sorry just commenting for something
5 0
3 years ago
Simplify 3<br><img src="https://tex.z-dn.net/?f=%203%20%7B%7D%5E%7B2%7D%20" id="TexFormula1" title=" 3 {}^{2} " alt=" 3 {}^{2} "
scoundrel [369]

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3 years ago
You start at (6, 8). You move right 4 units and left 2 units. Where do you end?
Sati [7]

Answer:

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Step-by-step explanation:

7 0
3 years ago
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