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algol13
2 years ago
7

Determine the amount of interest the principal in each account had earned. (From Example 2)

Mathematics
1 answer:
Ilia_Sergeevich [38]2 years ago
4 0

The amount of interest that the principal in each account had earned is as follows:

Raul Avila = $167.12

Samuel Griffin = $364.91

<h3>How is compound interest computed?</h3>

The compound interest can be calculated using the compound interest formula:

A = P(1 + \frac{r}{n})^{nt}

A = final amount

P = initial principal balance

r = interest rate

n = number of times interest applied per time period

t = number of time periods elapsed

It can also be computed using an online finance calculator as follows:

<h3>Data and Calculations:</h3><h3>Raul Avila:</h3>

N (# of periods) = 110 days

I/Y (Interest per year) = 5.5%

PV (Present Value) = $10,000

PMT (Periodic Payment) = $0

<u>Results:</u>

FV = $10,167.12

Total Interest = $167.12

<h3>Samuel Griffin:</h3>

N (# of periods) = 120 days

I/Y (Interest per year) = 5.5%

PV (Present Value) = $20,000

PMT (Periodic Payment) = $0

<u>Results:</u>

FV = $20,364.91

Total Interest = $364.91

Thus, using the online finance calculator, the compound interests for each principal have been computed as $167.12 and $364.91, respectively.

Learn more about compound interests at brainly.com/question/19950566

#SPJ1

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ANSWER

"If x=7, then x - 2 = 5"

EXPLANATION

Let

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The converse of this statement is

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The given given conditional statement is

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Use the given degree of confidence and sample data to construct a confidence interval for the population proportion p: n = 195,
Troyanec [42]

Answer:

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Step-by-step explanation:

The formula for confidence interval for proportion =

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z score for 95% confidence Interval = 1.96

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p ≈ approximately equal to = 0.8308

0.8308 ± 1.96 × √0.8308 × (1 - 0.8308)/195

0.8308 ± 1.96 ×√0.8308 × 0.1692/195

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Confidence Interval

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