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Flauer [41]
2 years ago
6

What is 5% of 56? Solve the proportion for n to find out. 5/100=n/56? I NEED THIS ANSWER ASAP!!!!!

Mathematics
1 answer:
amm18122 years ago
5 0

Answer:

The answer is 2.8

Step-by-step explanation:

5/100 = n/56

56 x 5 = 280

280/100 = 2.8

Hopefully this helps you

pls mark brainlest

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A line has an x-interceptof -9 and a y-intercept of 4. What is the<br>equation of the line?​
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Y=-9x+4
-9x represents the slope . 4 is the initial value/y-intercept
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3 years ago
10. Subtract -2x from -8x.
igomit [66]
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5 0
2 years ago
Use the sample data and confidence level given below to complete parts​ (a) through​ (d). A drug is used to help prevent blood c
Alla [95]

Answer:

a) \hat p=\frac{148}{4167}=0.036

b) 0.0355 - 1.96\sqrt{\frac{0.036(1-0.036)}{4167}}=0.030

0.0355 + 1.96\sqrt{\frac{0.036(1-0.036)}{4167}}=0.041

Step-by-step explanation:

The sample proportion have the following distribution

\hat p \sim N(p,\sqrt{\frac{p(1-p)}{n}})

Part a

The estimated proportion for this case can be calculated like this:

\hat p=\frac{148}{4167}=0.036

Part b

In order to find the critical value we need to take in count that we are finding the interval for a proportion, so on this case we need to use the z distribution. Since our interval is at 95% of confidence, our significance level would be given by \alpha=1-0.95=0.05 and \alpha/2 =0.025. And the critical value would be given by:

z_{\alpha/2}=-1.96, z_{1-\alpha/2}=1.96

The confidence interval for the mean is given by the following formula:  

\hat p \pm z_{\alpha/2}\sqrt{\frac{\hat p (1-\hat p)}{n}}

Replacing we got:

0.0355 - 1.96\sqrt{\frac{0.036(1-0.036)}{4167}}=0.030

0.0355 + 1.96\sqrt{\frac{0.036(1-0.036)}{4167}}=0.041

8 0
3 years ago
If you know the leg lengths of two right triangles.can you tell whether they are congruent?Explain your answer
Fofino [41]

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8 0
3 years ago
What is the answer to this? Due in 3 minutes!
torisob [31]
The answer are
X=3
Wx=29

For Wx

7x+8
So you put the 3 in the x


7x3+8
21+8 =29


Hopefully that makes sense

Good luck

The rest is in attached
You use the formula
Wx = 1/2(uv +st )

6 0
2 years ago
Read 2 more answers
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