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jonny [76]
3 years ago
7

PLZ HELP ASAP IM ON THE TEST NOW Which sample is biased?

Mathematics
2 answers:
RoseWind [281]3 years ago
6 0
A. Interviews of random teens at a rock concert

These teens are all fans of the same music because they are attending the same concert. They cannot accurately represent all teens music choices because they are all bias toward the same music style. They are especially excited about it at the concert so responded are even more skewed.
Sophie [7]3 years ago
3 0
I think (a) because they interviewed people who were already at a rock concert about what musician they enjoy the most
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A researcher randomly samples 222 high school students to determine their favorite color and whether or not they played a sport.
Murrr4er [49]

Answer: 36/104

There are 104 students that play sports and only 36 out of 104 students has the favorite color blue, green, or purple.

Step-by-step explanation:

7 0
3 years ago
Help please! the question is in the picture below for reference when answering! thank you so much!
stepan [7]

Answer:

x = -1

Step-by-step explanation:

AB + BC = AC = 28

the way from A to C goes through B.

so, the total way of A to C is the sum of the way from A to B and then from B to C.

=>

(5x + 10) + (2x + 25) = 28

7x + 35 = 28

7x = -7

x = -1

4 0
3 years ago
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nadezda [96]
10:21
There are 10 males and males plus females equal 21
4 0
3 years ago
Now write 12% as a fraction in simplest
Rama09 [41]
Answer: 3/25


Explanation:
12% as a fraction is 12/100. 12/100 divided by 4 is 3/25.

Hope this helped <3
5 0
3 years ago
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Please help me....people are just using my points and im running out.....please help me!!
storchak [24]

Answer

I think that c would equal 4

Step-by-step explanation:

If you need the explanation, here it is:

When looking at the y part of the answer, you can see it goes up by three and that it is missing a point. This means that if the equation is linear, it goes up by one. Hope that's right!!

5 0
3 years ago
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