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mrs_skeptik [129]
2 years ago
9

Y≥−2x−8 What is the answer?

Mathematics
1 answer:
Crank2 years ago
5 0

Answer: Here Take a Look.

Resources I Used: Mhway and or Browsing List.

(I Do Claim To Own Any Of This Information Provided For More Resources and Results Consult a Math Tutor Or ask me for Help Id be Happy To With Anything at Any Time. Product of 2022 Distribution)

Step-by-step explanation:

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A newsgroup is interested in constructing a 90% confidence interval for the proportion of all Americans who are in favor of a ne
Leto [7]

Answer:

The 90% confidence interval for the proportion of all Americans who are in favor of a new Green initiative is (0.6247, 0.6923).

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 z-score that has a p-value of 1 - \frac{\alpha}{2}.

Of the 533 randomly selected Americans surveyed, 351 were in favor of the initiative.

This means that n = 533, \pi = \frac{351}{533} = 0.6585

90% confidence level

So \alpha = 0.1, z is the value of Z that has a p-value of 1 - \frac{0.1}{2} = 0.95, so Z = 1.645.

The lower limit of this interval is:

\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.6585 - 1.645\sqrt{\frac{0.6585*0.3415}{533}} = 0.6247

The upper limit of this interval is:

\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.6585 + 1.645\sqrt{\frac{0.6585*0.3415}{533}} = 0.6923

The 90% confidence interval for the proportion of all Americans who are in favor of a new Green initiative is (0.6247, 0.6923).

6 0
3 years ago
What is the volume of this composite solid <br><br>​
Rufina [12.5K]
There is no picture attached.
explanation:
7 0
3 years ago
Read 2 more answers
12<br> The value of x must be greater than<br><br> a .0<br> B.1<br> C.3<br> D.7
Likurg_2 [28]

Answer:

must be greater than 7

Step-by-step explanation:

using pythagoras theorem

a^2=b^2-c^2

x^2=15^2-12^2

x^2=225-144

x^2=81

take square root both sides

√x^2=√81

x=9

and 9 is greater than 7

7 0
2 years ago
What are all the angles?
mrs_skeptik [129]

Answer:

Step-by-step explanation:

So you should know. Can you give us a better picture?

5 0
2 years ago
Help please :(<br> 20 points to help
Stells [14]

Answer:

67/24

Step-by-step explanation:

that is what my graphing calculator got, I hope its right

6 0
2 years ago
Read 2 more answers
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