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fredd [130]
3 years ago
11

Which shoes th graph of the solution set of 6x+3y<12

Mathematics
1 answer:
Free_Kalibri [48]3 years ago
5 0
Did you misspell the title ? What does th mean?
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The area of a rectangle is 32 in² and its length is 4 inches
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If the FDIC has a $59.5 billion insurance fund and must use 5.6% of it to cover several failed banks, approximately how much mon
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we believe that 42% of freshmen do not visit their counselors regularly. For this year, you would like to obtain a new sample to
Maksim231197 [3]

Answer:

A sample of 1077 is required.

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

z is the zscore that has a pvalue of 1 - \frac{\alpha}{2}.

The margin of error is of:

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

42% of freshmen do not visit their counselors regularly.

This means that \pi = 0.42

98% confidence level

So \alpha = 0.02, z is the value of Z that has a pvalue of 1 - \frac{0.02}{2} = 0.99, so Z = 2.327.

How large of a sample size is required?

A sample size of n is required, and n is found when M = 0.035. So

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

0.035 = 2.327\sqrt{\frac{0.42*0.58}{n}}

0.035\sqrt{n} = 2.327\sqrt{0.42*0.58}

\sqrt{n} = \frac{2.327\sqrt{0.42*0.58}}{0.035}

(\sqrt{n})^2 = (\frac{2.327\sqrt{0.42*0.58}}{0.035})^2

n = 1076.8

Rounding up:

A sample of 1077 is required.

3 0
3 years ago
Complete each statement with the correct measurement.
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Answer:

250

Step-by-step explanation:

All you have to do to go from L to mL is x1000

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2 years ago
Describe how you would classify the shape below on the hierarchy. Start at the top and describe how you know if the shape fits i
Bingel [31]
I would classify that shape as a pentagon because it has 5 sides/edges.

It is shaped like the houses in the old times.

Hope I helped :) :)
8 0
3 years ago
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