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kirill115 [55]
2 years ago
14

The price of a bouquet of tulips in France is 4 euros. Jenna Algren, a frequent international traveler, found that a similar bou

quet of tulips cost only 3 euros in Belgium. This demonstrates that the benefit of adopting the euro as a common currency is that it:________.
Business
1 answer:
tatyana61 [14]2 years ago
8 0

Answer:

serves as a unit of account

Explanation:

The four main functions of money are:

  1. it serves as a unit of account: it provides a common measure of the value of goods and services being exchanged. Since the euro is used in most of Europe, you can determine that the bouquet is cheaper in Belgium than in France.
  2. it serves as a store of value: money holds its value over time, so it serves as a store of value.
  3. it serves as a medium of exchange: you can use money to purchase goods and services
  4. it serves as a standard of deferred payment: money serves as a way of valuing a debt, so you can acquire goods now and pay for them later.
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You are interested in purchasing a new car and have done some research. One of the many points you wish to consider is the resal
kari74 [83]

Answer:

The 99% confidence interval would be given by (12004.26;12995.74)  

Explanation:

1) Previous concepts

A confidence interval is "a range of values that’s likely to include a population value with a certain degree of confidence. It is often expressed a % whereby a population means lies between an upper and lower interval".

The margin of error is the range of values below and above the sample statistic in a confidence interval.

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

\bar X=12500 represent the sample mean for the sample  

\mu population mean (variable of interest)

s=700 represent the sample standard deviation

n=17 represent the sample size  

2) Confidence interval

The confidence interval for the mean is given by the following formula:

\bar X \pm t_{\alpha/2}\frac{s}{\sqrt{n}}   (1)

In order to calculate the critical value t_{\alpha/2} we need to find first the degrees of freedom, given by:

df=n-1=17-1=16

Since the Confidence is 0.99 or 99%, the value of \alpha=0.01 and \alpha/2 =0.005, and we can use excel, a calculator or a table to find the critical value. The excel command would be: "=-T.INV(0.005,16)".And we see that t_{\alpha/2}=2.92

Now we have everything in order to replace into formula (1):

12500-2.92\frac{700}{\sqrt{17}}=12004.26    

12500+2.92\frac{700}{\sqrt{17}}=12995.74    

So on this case the 99% confidence interval would be given by (12004.26;12995.74)    

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the answer to this question is 4.70%

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Answer:salary

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Explanation:

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