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Sophie [7]
3 years ago
8

Can someone pls help me with this?

Mathematics
1 answer:
irga5000 [103]3 years ago
4 0

Answer:

1 - positive

2 - negative

3 - negative

4 - none

5. - positive

Step-by-step explanation:

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A researcher for an airline interviews all of the passengers on five randomly selected flights.
antoniya [11.8K]

Answer

Cluster sampling. See explanation below.

Step-by-step explanation:

For this case they not use random sampling since we are selecting people from flights. Because we select just 5 random flights.

Is not stratified sampling since we don't have strata clearly defined on this case, and other important thing is that in order to apply this method we need homogeneous strata groups and that's not satisfied on this case.

Is not convenience sampling because they NOT use a non probability method in order to select the people from the flights.

So then the only possible method is cluster sampling since we have clusters clearly defined (Passengers from the airlines), and we satisfy the condition of homogeneous characteristics on the clusters and an equal chance of being a part of the sample, since we are selecting RANDOMLY, the 5 flights to take the information.

6 0
2 years ago
Which equation is graphed?
anygoal [31]
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Explanation:
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3 years ago
Someone plz help I don’t even know what this means
Vikentia [17]
What you wanna do here is use a calculator, as "e" in mathematics refers to the "e" on a calculator. The tricky part about this question is that the answer for the equation is the given percentage, NOT the value for "x". From there, plug in the multiple choice answers for "x" and see which one works!

In this case, A is the correct answer. B is absurdly large, so I omitted it immediately in the attached picture.

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3 years ago
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A. The smaller the number, the wider the graph. That equation had the smallest number, so therefore it will produce the widest graph.
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