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bazaltina [42]
3 years ago
13

In the formula l=p+prt, what does l equal when p=500,r=20%, t=2

Mathematics
1 answer:
Juliette [100K]3 years ago
7 0
Just plug in 500 for p, 0.2 for r (because 20% is equivalent to 0.20), and 2 for t:

I=p+prt\\I=(500)+(500)(0.2)(2)\\I=500+200\\I=700

So, if you start with $500 and charge an interest rate of 20% for 2 years, you will gain $200 to get $700 in total.
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d.

Minimum required sample size for 0.95 probability is

N≥(\frac{z*s}{ME} )^2 where

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then N≥(\frac{1.96*50}{8} )^2 ≈150.6

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