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Cloud [144]
3 years ago
10

6. Domain: Range: can someone please help me

Mathematics
1 answer:
ra1l [238]3 years ago
4 0

Answer:

Domain: the set of possible values of the independent variable or variables of a function.

Range: the set of values that a given function can take as its argument varies.

Step-by-step explanation:

Hopefully this helps ik it was confusing to me too in pre-algebra when i was in 8th grade

have a great day

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153 of the 258 high school students surveyed at a local school said they went outside more during school hours as elementary sch
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<u>Answer-</u>

<em>It </em><em>is reasonable</em><em> that the state education department claims the percentage for the entire state is 63%.</em>

<u>Solution-</u>

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Here,

x = 153,

n = 258,

Then,

\text{sample proportion}=p=\dfrac{153}{258}=0.5930=59.30\%

And,

\text{Margin Error}=2\times \sqrt{\dfrac{p(1-p)}{n}}

Putting the values,

\text{ME}=2\times \sqrt{\dfrac{(0.5930)(1-0.5930)}{258}}\\\\=2\times \sqrt{\dfrac{(0.5930)(0.407)}{258}}\\\\=2\times \sqrt{\dfrac{0.2414}{208}}\\\\=2\times 0.0341\\\\=0.0682\\\\=6.82\%

The interval would be,

=(59.30-6.82,\ 59.30+6.82)\\\\=(52.48,\ 66.12)

As population proportion p=63% lies in this interval, so it is reasonable.

5 0
4 years ago
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Answer:

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Step-by-step explanation:

y = 1/2x + b

5 = 1/2(5) + b

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Step-by-step explanation:

The answer is 3/4+1/2=1.25.

Hope this helps:)

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