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andreyandreev [35.5K]
2 years ago
9

Systems requests do not deal with factors involved in improving service.

Mathematics
1 answer:
valentina_108 [34]2 years ago
5 0
Systems requests do not deal with factors involved in improving service: false
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4y + 1.8 = 14.7 y=
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Answer:

y=1.7

Step-by-step explanation:

4y+18=14.7y

18=14.7y-4y

18=10.7y

18/10.7=10.7y/10.7

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A sample of n = 9 college students is used to evaluate the effectiveness of a new Study Skills Workshop. Each student’s grade po
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Answer:

80% Confidence interval:  (0.4603,0.7397)

Step-by-step explanation:

We are given the following in the question:

Sample mean, \bar{x} = MD = 0.60 points

Sample size, n = 9

Sample variance =  0.09

Sample standard Deviation =

=\sqrt{\text{Sample Variance}} = \sqrt{0.09} = 0.3

80% Confidence interval:  

\bar{x} \pm t_{critical}\displaystyle\frac{s}{\sqrt{n}}  

Putting the values, we get,  

t_{critical}\text{ at degree of freedom 8 and}~\alpha_{0.20} = \pm 1.397  

0.60 \pm 1.397(\frac{0.3}{\sqrt{9}} ) = 0.60 \pm 0.1397 = (0.4603,0.7397)

8 0
4 years ago
5,000 people visited a book fair in the first week. The number of visitors decreased by 12.5% in the second week. How many peopl
julsineya [31]

Answer:

<u>4,375</u> people visited the book fair in the second week.

Step-by-step explanation:

1) 5,000 x 0.125 = 625

2) 5,000 - 625 = 4,375

7 0
3 years ago
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