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sergejj [24]
3 years ago
15

Jorge invested $28,000 into two accounts. The amount he put in his money market account was $2,000 less than twice what he put i

nto a CD.
Mathematics
1 answer:
sertanlavr [38]3 years ago
5 0

Answer:

$10,000 invested in CD

$18,000 invested in money market

Step-by-step explanation:

<u>Complete Question:</u>

<em>Jorge invested $28,000 into two accounts. The amount he put in his money market account was $2,000 less than twice what he put into a CD. How much did he invest in each account?</em>

Let money put in CD be x

So

Money put in money market will be  2x - 2000

Alltogether, that is 28,000. Thus, we can write:

x + (2x-2000) = 28,000

Solving, we get:

x + (2x-2000) = 28,000

x + 2x - 2000 = 28,000

3x = 30,000

x = 30,000/3 = 10,000

$10,000 invested in CD

We know 2x - 2000 invested in money market, so:

2(10,000) - 2000 = $18,000 invested in money market

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<h3>What is a sample proportion?</h3>

A sample proportion can be defined as the proportion of individuals in a sample that have a specified characteristic or trait.

Mathematically, sample proportion can be calculated by using this formula:

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In Mathematics, the standard deviation (SD) of a sample proportion obtained when the sample size is 1,600 can be calculated by using this formula:

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Substituting the given parameters into the formula, we have;

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Standard deviation (SD) = √0.0001457

Standard deviation (SD) = 0.0121.

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