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omeli [17]
3 years ago
7

For this problem, you will want to guess and check until you find the right solution. How many years does it take for $100 to re

ach $1 million dollars? The rate is at 5% with it being compounded twice a year. Round to a whole year. Hint: You may want to start with numbers above 100 years!\
Mathematics
2 answers:
nikitadnepr [17]3 years ago
8 0

Answer:

189 years = 1011061.38575 = 1 million, 11 thousand and 61 and 38 rounded up to 2dp $35011061.39

Step-by-step explanation:

100(1 + 0.05)^188=962915.605474

100(1 + 0.05)^189=1011061.38575

It cannot be 188 years.

But if we tried 189 this would make just over 1 million.= $10011061.36

algol [13]3 years ago
6 0

Step-by-step explanation:

1 Million = 1,000,000

100 x 5% = 5

100 - 5 = 95

1,000,000 divided by 95

10526.3157895 (Round it)

10526 years

(MIGHT BE INCORRECT)

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Answer:

1450-2.0\frac{30}{\sqrt{25}}=1450-12    

1450+2.0\frac{30}{\sqrt{25}}=1450+12    

And the best option would be:

c. 1450 +/- 12

Step-by-step explanation:

Information provided

\bar X=1450 represent the sample mean for the SAT scores

\mu population mean (variable of interest)

s^2 = 900 represent the sample variance given

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Solution

The confidence interval for the true mean is given by :

\bar X \pm z_{\alpha/2}\frac{\sigma}{\sqrt{n}}   (1)

The sample deviation would be s=\sqrt{900}= 30

The degrees of freedom are given by:

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The Confidence is 0.954 or 95.4%, the value of \alpha=0.046 and \alpha/2 =0.023, assuming that we can use the normal distribution in order to find the quantile the critical value would be z_{\alpha/2} \approx 2.0

The confidence interval would be

1450-2.0\frac{30}{\sqrt{25}}=1450-12    

1450+2.0\frac{30}{\sqrt{25}}=1450+12    

And the best option would be:

c. 1450 +/- 12

3 0
3 years ago
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