Answer:
Margin of error
Explanation:
All surveys have margins of error because they consist of a limited sample out of a population that can be millions of times bigger. The less representative the sample, the higher the margin of error.
And a representative sample is one that surveys a considerable amount of people out of the population.
In this case, a 3.1 margin of error is very low, and for this reason alone, we can say that the survey is good, and the sample, representative.
Answer:
759,000 (60,000 free)
Explanation:
The number of enslaved and free blacks rose from 759,000 (60,000 free) in the 1790 US Census to 4,450,000 (11% free or 480,000) a 580% increase in the 1860.....
An investment which best meet this investor's needs is a: D. traditional savings account.
<h3>What is a certificate of deposit (CD)?</h3>
A certificate of deposit (CD) can be defined as a secured form of time-bound deposit and a special low-risk savings account that is issued by a financial institution (bank) to its customers, wherein money (lump-sum) are left with the bank for a specific period of time in exchange for an interest rate premium.
<h3>What is a traditional savings account?</h3>
A traditional savings account can be defined as a basic type of bank account which avails an accountholder with an opportunity to deposit money and withdraw his or her money with very little interest accrued, but without paying a financial penalty.
In this context, we can reasonably infer and logically deduce that an investment which best meet this investor's needs is a: D. traditional savings account.
Read more on traditional savings account here: brainly.com/question/28202522
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