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AnnZ [28]
2 years ago
14

If a researcher needs a sample that is representative of the population they are studying, they could utilize a _______.

Mathematics
1 answer:
vova2212 [387]2 years ago
8 0

The researchers could utilize a probability sample.

Meaning of a Probability Sample

Every member of a population must have an equal chance of being chosen for a study in order for a sample to be considered a probability sample, and the researcher must be aware of this likelihood. The most typical type of sampling used in public opinion research, election polling, and other studies whose findings will be generalized to a larger population is probability sampling in which probability samples are made use of.

Probability Sample as the Representative of Population Sample

Here, a sample that qualifies for a representative of the population the researchers are studying, must consist of members having equal chances to be chosen for the study. Thus, a probability sample is the best representative of their study population.

Learn more about probability sample here:

brainly.com/question/28016369

#SPJ4

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Factor <br> 3x ^2 +20x+12
Alona [7]
3x^2+20x+12=3x^2+18x+2x+12\\\\=3x(x+6)+2(x+6)=(x+6)(3x+2)
5 0
3 years ago
Read 2 more answers
Alice placed $1,900 in a savings account which earns 2.2% interest, compounded every year. How much will she have in the account
ella [17]

She will have $2118 in her account after five years

<h3>How to determine the amount in five years?</h3>

The given parameters about the compound interest are

Principal Amount, P = $1,900

Interest Rate, R = 2.2%

Time, t = 5

Compound interests are different from simple interest, and they are calculated using the following compound interest formula

CI = P(1 + R)^t - P

To calculate the amount, we have:

A = P + CI

So, the equation becomes

A = P + P(1 + R)^t - P

Evaluate the like terms

A = P(1 + R)^t

Substitute the known values in the above equation

A = 1900 * (1 + 2.2%)^5

Express 2.2% as decimal

A = 1900 * (1 + 0.022)^5

Evaluate the sum

A = 1900 * (1.022)^5

Evaluate the exponent

A = 1900 * 1.11495

Evaluate the product

A = 2118

Hence, she will have $2118 in her account after five years

Read more about compound interest at:

brainly.com/question/24924853

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6 0
1 year ago
Please help me!!!!!!
kvasek [131]

2 would be the correct answer ;-)))) (1 on top?)

4 0
3 years ago
Read 2 more answers
The population of town is 32600. about 27% are over 60 years old. About 19% are 16 or under. How many are between 16 and 60?
I am Lyosha [343]

Answer:

Number of population between  16 and 60 =17,604

Step-by-step explanation:

population of town = 32600

Percentage of people over 60 years old=27%

Percentage of people 16 or under =19%

Percentage of people between  16 and 60= 100%-(27% +19%)

100-(46) =54%

Number of population between  16 and 60 =Percentage of people between  16 and 60 x population of town

=54% x 32600

=17,604

6 0
3 years ago
Write the equation in standard form. then factor the left side of the equation 2x^2=28-x
miskamm [114]
2x^2 = 28 - x in standard form is 2x^2 + x = 28

Factoring, we have:
x(2x + 1) = 28
8 0
4 years ago
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