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marta [7]
3 years ago
10

PLEASE HELP I WILL MARK U BRAINIEST PLEASEEE HELPPPPP

Mathematics
1 answer:
Romashka-Z-Leto [24]3 years ago
5 0
 the answer for the first one is...b
just add all of the taxes together and them subtract it from her income
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Explain how to perform a​ two-sample z-test for the difference between two population proportions.
Sati [7]
Point estimate for the difference between two population proportions is the difference between the two sample proportions, written as:

\hat{p}_1-\hat{p}_2

and the standard deviation is given by

\sqrt{\frac{\hat{p}_1(1-\hat{p}_1)}{n_1}+\frac{\hat{p}_2(1-\hat{p}_2)}{n_2}}

When np and n(1-p) is greater than 5, then the sampling distribution is approximately normal and we can use standard normal methods.

Thus, the propability of a test <span>for the difference between two population proportions is given by

P(X\ \textless \ x)=P\left(z\ \textless \  \frac{\hat{p}_1-\hat{p}_2}{\sqrt{\frac{\hat{p}_1(1-\hat{p}_1)}{n_1}+\frac{\hat{p}_2(1-\hat{p}_2)}{n_2}}} \right)</span>
3 0
3 years ago
Geometry help needed
velikii [3]
  • Acute: less than 90 degrees
  • Right: equal to 90 degrees
  • Obtuse: greater than 90 degrees
  • Straight: equal to 180 degrees

4. m∠LGH = 14 ---acute

5. m∠SRT = 114 ---obtuse

6. m∠SLI = 90 ---right

7. m∠1 = 139 ---obtuse

8. m∠L = 179 ---obtuse

m∠P = 73 ---acute

7 0
3 years ago
Read 2 more answers
Does anyone know the answer
vladimir1956 [14]

Answer:

yes me

Step-by-step explanation:

na jp ion know

3 0
3 years ago
2.<br>2x2 + 2x - 112 factor​
Angelina_Jolie [31]

Answer:

Use order of operation

Step-by-step explanation:

7 0
3 years ago
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A jar contains a 8 blue marbles, 12 red marble, and 3 yellow marbles. What is the probability of drawing a blue marble, placing
chubhunter [2.5K]
I'm not for sure but it could be 24/529 ???????????

If there are answer choices then put this one. Otherwise I really don't know
3 0
3 years ago
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