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Yuliya22 [10]
3 years ago
6

Paisley is going to invest in an account paying an interest rate of 3.4% compounded

Mathematics
1 answer:
pochemuha3 years ago
3 0

Answer:

232

Step-by-step explanation:

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A sociologist develops a test to measure attitudes towards public transportation, and 27 randomly selected subjects are given th
taurus [48]

Answer:

The margin of error for the 95% confidence interval for the mean score of all such subjects is of 8.45.

Step-by-step explanation:

We have the standard deviation for the sample, which means that the t-distribution is used to solve this question.

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 27 - 1 = 26

95% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 26 degrees of freedom(y-axis) and a confidence level of 1 - \frac{1 - 0.95}{2} = 0.975. So we have T = 2.0518

The margin of error is:

M = T\frac{s}{\sqrt{n}}

In which s is the standard deviation of the sample and n is the size of the sample.

In this question:

n = 27, s = 21.4. So

M = 2.0518\frac{21.4}{\sqrt{27}}

M = 8.45

The margin of error for the 95% confidence interval for the mean score of all such subjects is of 8.45.

5 0
3 years ago
Three students are arguing over who can run the fastest. Student A says that she can run 2/3 mile in six minutes. Student B says
harkovskaia [24]
1/10 



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8 0
3 years ago
Make a conjecture. What properties do you think stay the same after a translation? Check all that apply. angle measures length o
Andrews [41]
I would check all of these answers because basically, when performing a translation, you are simply moving the shape around. It is not being stretched or manipulated in shape so the angle measures, length, shape, and size would not change. Also, a translation does not rotate the object, so the orientation would not change either. :)
4 0
3 years ago
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DUE TOMARROW PLEAEE HELP
FrozenT [24]

Answer:

-3/5

Step-by-step explanation:

10-8/4-12=-0.6=-3/5

3 0
3 years ago
What is cultural imperialism?
Charra [1.4K]
First of all, this would be history, not mathematics. But, the answer that I know is "The imposition of a foreign viewpoint or civilization on a <span>people."</span>
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3 years ago
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