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3 years ago

I'm having a pretty hard time with this question. Pls help.

Mathematics

2 answers:

blondinia [14]3 years ago

8 0

1 1/3 becuase absolute value is the number in positive form. on the number line, it would be the same distance from 0 except on the right side instead of the left side of the line. hope this helps :)

answer: 1 1/3

jeyben [28]3 years ago

5 0

Answer:

1 1/3

Step-by-step explanation:

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Step-by-step explanation:

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3 years ago

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3 years ago

Find three ratios that are equivalent to 2 4. A. 8 16 B. 10 24 C. 4 8 D. 3 5 E. 6 12 F. 12 6

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Answer:

A, C, and E good luck

Step-by-step explanation:

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2 years ago

Suppose the population standard deviation is σ = 5 , an SRS of n = 100 is obtained, and the confidence level is chosen to be 98%

beks73 [17]

Answer:

1.165.

Step-by-step explanation:

We have that to find our $\alpha$ level, that is the subtraction of 1 by the confidence interval divided by 2. So:

$\alpha = \frac{1-0.98}{2} = 0.01$

Now, we have to find z in the Ztable as such z has a pvalue of $1-\alpha$ .

So it is z with a pvalue of $1-0.01 = 0.99$ , so $z = 2.33$

Now, find the margin of error M as such

$M = z*\frac{\sigma}{\sqrt{n}}$

In which $\sigma$ is the standard deviation of the population and n is the size of the sample.

In this problem, we have that:

$\sigma = 5, n = 100$ . So

$M = z*\frac{\sigma}{\sqrt{n}}$

$M = 2.33*\frac{5}{\sqrt{100}} = 1.165$

So the correct answer is:

1.165.

6 0

3 years ago