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12345 [234]
3 years ago
7

Which side lengths form a right triangle?

Mathematics
1 answer:
tresset_1 [31]3 years ago
7 0

its q and c c c c c c c c c c c a a a a a a a a a a. a

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poizon [28]
Answer should be $127 that she still needs to save
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4 years ago
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A random sample of 1000 people was taken. Four hundred fifty of the people in the sample favored Candidate A. The 95% confidence
KatRina [158]

Answer:

The 95% confidence interval would be given (0.419;0.481).

Step-by-step explanation:

Data given and notation  

n=1000 represent the random sample taken    

X=450 represent the people in the sample favored Candidate A

\hat p=\frac{450}{1000}=0.45 estimated proportion of people in the sample favored Candidate A  

\alpha=0.05 represent the significance level

Confidence =0.95 or 95%

p= population proportion of people in the sample favored Candidate A

Solution to the problem

The confidence interval would be given by this formula

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

For the 95% confidence interval the value of \alpha=1-0.5=0.05 and \alpha/2=0.025, with that value we can find the quantile required for the interval in the normal standard distribution.

z_{\alpha/2}=1.96

And replacing into the confidence interval formula we got:

0.45 - 1.96 \sqrt{\frac{0.45(1-0.45)}{1000}}=0.419

0.45 + 1.96 \sqrt{\frac{0.45(1-0.45)}{1000}}=0.481

And the 95% confidence interval would be given (0.419;0.481).

We are confident (95%) that about 41.9% to 48.1% of the people are favored Candidate A.  

3 0
3 years ago
There are 50 stars on each United States flag. Two flags have 100 stars. Three flags have 150 stars. The equation that describes
Stolb23 [73]

Answer:

50•x

Step-by-step explanation:

x=number of flags

50 times the number of United states flags

3 0
3 years ago
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Help me out plz geometry
Leviafan [203]

Answer:

45°

Step-by-step explanation:

divide 90 by 2 see there is a right angle between them

6 0
3 years ago
A theater has 4,605 seats if the theater sells all of the tickets for each of it's 5 shows about how many tickets will the theat
AysviL [449]
4,605 multiplied by 5

23,025
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4 years ago
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