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bija089 [108]
3 years ago
6

Suppose you have $23,000 that you are going to invest at a 7% interest rate compounded quarterly. According to the compound inte

rest calculator, how long will it be before you have $78,000? This calculator is provided in the weblinks pod in adobe, in the google slides for this lesson and in the daily folder in buzz. *
0 points
17.6 months
70.4 months
17.6 years
70.4 years
Mathematics
1 answer:
andrew11 [14]3 years ago
5 0
YAAS! I literally learned this just a few weeks ago. (I am not actually a high school senior) First, convert 7% to a decimal, which is 0.07. Then multiply 0.07 by 23,000, giving you 1,610. This is your unit rate. I will though, need you to be more specific on "compounding quarterly" because I actually do not know what that means.
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Answer:

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Step-by-step explanation:

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puteri [66]

Answer:

z=\frac{10.6-12}{\frac{4.1}{\sqrt{45}}}=-2.29  

Step-by-step explanation:

information given

\bar X=10.6 represent the sample mean  

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\alpha=0.05 represent the significance level for the hypothesis test.  

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p_v represent the p value for the test

Hypothesis to test

We want to test if the true mean is less than 12, the system of hypothesis would be:  

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z=\frac{\bar X-\mu_o}{\frac{\sigma}{\sqrt{n}}} (1)  

Replacing the info given we got:

We can replace in formula (1) the info given like this:  

z=\frac{10.6-12}{\frac{4.1}{\sqrt{45}}}=-2.29  

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