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3 years ago

Which of the following is not a way to quality check a source?

Mathematics

2 answers:

DiKsa [7]3 years ago

6 0

Answer:

Popularity

Step-by-step explanation:

That many people like or have seen a source does not mean it is correct.

miss Akunina [59]3 years ago

3 0

Answer: Popularity

Step-by-step explanation:

Popularity is not a factor to consider while checking the quality of a source. Relevance Accuracy, Timeliness, Authority and Objectivity are factors to consider

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A chemist examines 15 geological samples for potassium chloride concentration. The mean potassium chloride concentration for the

Lelu [443]

Answer:

95% Confidence interval: (0.375,0.377)

Step-by-step explanation:

We are given the following in the question:

Sample mean, $\bar{x}$ = 0.376 cc/cubic meter

Sample size, n = 15

Alpha, α = 0.05

Sample standard deviation, s = 0.0012

Degree of freedom =

$=n-1\\=15-1\\=14$

95% Confidence interval:

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

Putting the values, we get,

$t_{critical}\text{ at degree of freedom 14 and}~\alpha_{0.05} = \pm 2.145$

$0.376 \pm 2.145(\dfrac{0.0012}{\sqrt{15}} )\\\\ = 0.376 \pm 0.0006\\\\ = (0.3754,0.3766)\approx (0.375,0.377)$

(0.375,0.377) is the required 95% confidence interval for the population mean potassium chloride concentration.

5 0

3 years ago

For every 12 students that wore sneakers, there were 9 students that wore boots. How many students wore sneakers if 24 students

Olenka [21]

Answer:

C (32)

Step-by-step explanation:

12 sneakers / 9 boots = x sneakers / 24 boots

the ratio is 4:3 so divide 24 by 3 and multiply by 4

12 / 9 = (24 / 3 x 4) / 24

12 / 9 = 32 / 24

32 students wore sneakers

7 0

3 years ago

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Find the volume of the solid<br><br><br><br> The problem is in the picture!!!!!!!!!

Anna35 [415]

The answer will be C. In the picture you will see 2144 which is the answer.

3 0

3 years ago

The cost of orange juice is $3.50. What is the minimum number of containers I can get with $15? I need the answer in an inequali

Yuki888 [10]

$3.50x less than or equal to $15

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3 years ago

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A bus travels two different routes: the Green Route and the Blue Route.

Alex17521 [72]

Answer:4.5

Step-by-step explanation: Check the file for my explanation

8 0

2 years ago