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rewona [7]
3 years ago
9

In scientific opinion polling, a random sample is used to avoid:

Mathematics
2 answers:
Neporo4naja [7]3 years ago
5 0

Answer:

bias

Step-by-step explanation:

Samples are randomized to ensure that the people polled are representative of the entire population.  If a sample is not representative of the population, it is said to be biased.  Randomization helps to prevent bias.

sergiy2304 [10]3 years ago
4 0
The answer is bias I believe.
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Where 1/3 of the 1 section had been painted, have each section have 3 parts. So each complete section will be 3/3. Where there is 4 section with 3 parts each, we have 12 parts. Thus, you painted 1/12 of the fence.
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3 years ago
Determine the factors of the expression x^2 - 9
Anuta_ua [19.1K]

Answer:

Step-by-step explanation:


The answer is B.


Use the sum-product pattern


2+3−3−9



Common factor from the two pairs


2+3−3−9x2+3x−3x−9


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Rewrite in factored form


(+3)−3(+3)


Solution:

(−3)(+3)

‘Hope it Helps!

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2 years ago
The measure of an angle is seventeen times the measure of its supplementary angle. What is the measure of each angle?
levacccp [35]

Answer:

The measure of each angle will be 10° and 170°.

Step-by-step explanation:

A supplementary angle refers to an angle that has the sum to be equal to 180°.

Let the small angle be represented by x

Therefore, the big angle will be: = 17 × x = 17x

Therefore, the value of both angles will be:

x + 17x = 180

18x = 180

Divide both side by 18

18x/18 = 180/18

x = 10

Therefore, the bigger angle will be:

17x = 17 × 10 = 170

Therefore, the angles are 10° and 170°

4 0
2 years ago
Read 2 more answers
A bag of marbles can be divided evenly among 2, 3 or 4 friends.
aivan3 [116]

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Step-by-step explanation:

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3 years ago
I'm flexible, squeezable, and I have a little cap. I am about 21.7 cm long
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Answer:

Tooth Paste

Step-by-step explanation:

Best guess

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3 years ago
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