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natka813 [3]
3 years ago
12

A principal wanted to survey students who took a standardized college entry exam about how prepared they felt for

Mathematics
1 answer:
Anit [1.1K]3 years ago
8 0

Answer:

B. Simple Random Sampling

Step-by-step explanation:

Simple random sampling is a type of probability sampling in which the researcher randomly selects a subset of participants from a population. Each member of the population has an equal chance of being selected

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Fynjy0 [20]
The answer for A is 2,026. I set a porportion up which is 77/x = 3.8/100 

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8 0
3 years ago
Use the gcf to create an equivalent expression 18y + 24
Virty [35]

Answer:

The gcf is 6.

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Step-by-step explanation:

3 0
3 years ago
{30 POINTS!} HELP! Two communications companies offer calling plans. With Company​ X, it costs 35¢ to connect and then 5¢ for ea
pav-90 [236]

Answer:

(20 + n)¢

Step-by-step explanation:

With Company X, it costs 35¢ to connect  and then 5¢ for each minute.

So, for n minutes of calling the company X charges, C(x) = (35 + 5n)¢

Again,  With Company Y,  it costs 15¢ to connect and then 4¢ for each  minute.

So, for n minutes of calling the company Y charges, C(y) = (15 + 4n)¢.

Therefore, the company Y charges for n minutes of calling less than company X is [(35 + 5n) - (15 + 4n)]¢ = (20 + n)¢ (Answer)

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2 years ago
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Step-by-step explanation:

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