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stellarik [79]
2 years ago
8

Please help

Mathematics
2 answers:
Gnesinka [82]2 years ago
7 0

Answer:

1. subtract 9 from z- z-9

2. add 9 and z - z+9

3. divide 9 by z - 9/z

4. multiply 9 by z - 9z

Step-by-step explanation:

Your welcome!

Brainliest Appreciated!

Alex17521 [72]2 years ago
3 0

Answer:

Subtract 9 from z z-9

Add 9 and z   9+ z

divide 9 by z 9/z

multiply 9 by z 9z

P.S you screen is not pink  

Step-by-step explanation:

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The Corporate Lawyer, a magazine for corporate lawyers, reported that out of 200 firms with employee stock ownership plans, 150
tiny-mole [99]

Answer:

The 90% confidence interval for the population proportion of all such firms with this as the primary motivation is (69.96%, 80.04%).

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}.

The Corporate Lawyer, a magazine for corporate lawyers, reported that out of 200 firms with employee stock ownership plans, 150 indicated that the primary reason for setting up the plan was tax related.

This means that n = 200, \pi = \frac{150}{200} = 0.75

90% confidence level

So \alpha = 0.1, z is the value of Z that has a p-value of 1 - \frac{0.}{2} = 0.975, so Z = 1.645.

The lower limit of this interval is:

\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.75 - 1.645\sqrt{\frac{0.75*0.25}{200}} = 0.6996

The upper limit of this interval is:

\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.75 + 1.645\sqrt{\frac{0.75*0.25}{200}} = 0.8004

As percent:

0.6996*100% = 69.96%

0.8004*100% = 80.04%.

The 90% confidence interval for the population proportion of all such firms with this as the primary motivation is (69.96%, 80.04%).

6 0
3 years ago
What is the measure of angle z in this figure?
ASHA 777 [7]

Answer:

z = 137°

Step-by-step explanation:

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Hope this helps

7 0
2 years ago
Can someone help free points..
vazorg [7]

Step-by-step explanation:

I hope you got the hang of it.

I didn't had a place to draw the verbal questions, so I just did them in my head - if you want to understand it better

I suggest that you draw those triangles

If you have any questions about the way I solved it, don't hesitate to ask me in the comments below ÷)

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(4,3) Down 3 from 6 on y-axis and left 2 on x-axis.
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