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Alborosie
3 years ago
13

What are the coordinates of the focus of the parabola shown below?

Mathematics
1 answer:
soldi70 [24.7K]3 years ago
8 0
The coordinates are (-4,0),(0,-1)
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You want to obtain a sample to estimate a population proportion. at this point in time, you have no reasonable estimate for the
Elis [28]

The sample size is, 9604 if you want to obtain a sample to estimate a population proportion at this point in time, you have no reasonable estimate for the population proportion.

<h3>What is the margin of error(MOE)?</h3>

It is defined as an error that gives an idea about the percentage of errors that exist in the real statistical data.

As we know, the sample size can be evaluated using the expression:

\rm ME = Z_c\sqrt{\dfrac{pq}{n}}

or

\rm n = \dfrac{Z^2}{ME^2}(pq)

Here ME = 1% = 0.01

p = 0.5, q = 0.5

Z at α 0.05   (because 95% confident)

= 1.960  

\rm n = \dfrac{1.960^2}{0.01^2}(0.5\times0.5)

n = 9604

Thus, the sample size is, 9604 if you want to obtain a sample to estimate a population proportion at this point in time, you have no reasonable estimate for the population proportion.

Learn more about the Margin of error here:

brainly.com/question/13990500

#SPJ1

5 0
2 years ago
I don't understand this ;-;
oksano4ka [1.4K]
It should take them a total of 3 hours to paint the room together
8 0
3 years ago
Read 2 more answers
4 Move the digits in 625,134 to create a new number.Move the 2 so it is worth 1_10as much.Move the 3 so it is worth 10 times as
Jet001 [13]

Answer:

452,316

Step-by-step explanation:

Why do you need a step by step, and i dont see how you would get one.

5 0
3 years ago
Fill in the blank
Andrej [43]

Answer:

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Step-by-step explanation:

8 0
3 years ago
What is the volume of this cube?
Novay_Z [31]

Step-by-step explanation:

Use formula for cube volume:

V=a³

Then add informations you already have and you are done.

V=0,5³

V=0,125 m³

8 0
3 years ago
Read 2 more answers
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