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Nana76 [90]
3 years ago
12

Jim wanted to find out what the audience thought about the debate. After the event, Jim stood at the exit to survey every fifth

guest. Was this a random or a biased sample and why?
Mathematics
1 answer:
balu736 [363]3 years ago
7 0

Answer: D. This was a random sample. It may have included anyone in attendance.

Step-by-step explanation:

The options are:

A. This was a biased sample. Jim should interview all in attendance.

B. This was a census. Any guest may have participated.

C. This was a random sample. It may not have included anyone in attendance.

D. This was a random sample. It may have included anyone in attendance.

A random sampling is simply referred to as a subset of individuals that are picked from a larger set of individuals.

With regards to the question, Jim wanted to find out what the audience thought about the debate and after the event, he stood at the exit to survey every fifth guest.

This means that it was a random sampling and anyone could have been picked, the sampling wasn't bias.

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<img src="https://tex.z-dn.net/?f=f%20-%20354%20%3D%201221" id="TexFormula1" title="f - 354 = 1221" alt="f - 354 = 1221" align="
alukav5142 [94]

f-354=1221           <em>add 354 to both sides</em>

f+354-354=1221+354\\\\\boxed{f=1,575}\to\boxed{D.}

6 0
4 years ago
Help please it’s my final
Naddik [55]

Answer:

Step-by-step explanation:

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5 0
3 years ago
Read 2 more answers
What could you do to find the amount to each person must pay? Explain.
Shtirlitz [24]
Divide both sides by 5 since there are 5 friends, you would get 5x-23.
5 0
3 years ago
What is 4 3/11 written as a decimal number
Flauer [41]
4 is a whole number

Divide 3 with 11

3/11 = 0.27 (rounded)

4 + 0.27 = 4.27

4.27 is your answer

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5 0
4 years ago
Read 2 more answers
Alisha is drawing a map of her school. She is not able to draw the map to scale because it would be too large. Each centimeter o
arsen [322]

Here we want to see which one of the given graphs is the one with the correct relationship between distance in centimeters and meters. We will see that the correct option is the first graph.

<h3>Working with changes of scale.</h3>

So we know that each centimeter on the map must represent 4 meters in reality, this is a change of scale, so the scale is:

1cm = 4m

First, this relation is linear (each centimeter will always be equal to 4 meters) so the two bottom options that are not linear can be discarded, so we only have the first and second graph.

If you read them, you can see that in the second one 1 meter is equivalent to something near 5 cm, so this is also incorrect.

The only graph that shows a correct scale is the first one, where for each increment of 1 unit on the horizontal axis (the one in centimeters) we have an increase of 4 m (estimated). This means that 1cm = 4m, as in our change of scale.

So the correct option is the first graph.

If you want to learn more about changes of scale, you can read:

brainly.com/question/9302261

4 0
3 years ago
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