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miskamm [114]
3 years ago
7

Which sampling method divides the population up into​ sections, randomly selects some of those​ sections, then chooses all the m

embers from the selected sections to​ study? choose the correct answer below?
Mathematics
1 answer:
Advocard [28]3 years ago
3 0

Which sampling method divides the population up into​ sections, randomly selects some of those​ sections, then chooses all the members from the selected sections to​ study?

Answer: The above mentioned type of sampling is called cluster sampling.

Cluster sampling is a sampling technique in which the entire population of interest is divided into clusters or groups, then the investigator randomly selects some of these clusters and all the members of these randomly selected clusters are investigated.


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Find the amount of tax and the tax rate. Round to two decimal places
Makovka662 [10]

Answer:

The tax amount is 15.17$

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Step-by-step explanation:

First we subtract the cost from the selling price.

137.17 - 122 = 15.17

We have found the tax amount, now for the tax rate.

If tax rate is x, then

122 * x = 137.17

Divide both sides by 122 to get

x = 137.17/122 = 1.124, or .124.

Then convert into percentage by moving the decimal to the right 2 times.

.124 = 12.4%

Hope this helps you

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1/2

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enyata [817]

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3(x-2)(x+5)

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2. Factor (x^2 +3x-10)

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Please explain step by step why x=10.
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