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pochemuha
3 years ago
11

3. (02.07) Two similar triangles are shown below Which two sets of angles are corresponding angels​

Mathematics
1 answer:
egoroff_w [7]3 years ago
3 0

Answer:

angle W nd angle V; angle X nd angle Y

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In a randomly selected sample of 100 students at a University, 81 of them had access to a computer at home. Give the value of th
astra-53 [7]

Answer:

The value of the standard error for the point estimate is of 0.0392.

Step-by-step explanation:

Central Limit Theorem

The Central Limit Theorem establishes that, for a normally distributed random variable X, with mean \mu and standard deviation \sigma, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}.

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

For a proportion p in a sample of size n, the sampling distribution of the sample proportion will be approximately normal with mean \mu = p and standard deviation s = \sqrt{\frac{p(1-p)}{n}}

In a randomly selected sample of 100 students at a University, 81 of them had access to a computer at home.

This means that n = 100, p = \frac{81}{100} = 0.81

Give the value of the standard error for the point estimate.

This is s. So

s = \sqrt{\frac{0.81*0.19}{100}} = 0.0392

The value of the standard error for the point estimate is of 0.0392.

7 0
3 years ago
20. Joaquin tak 4-hours to clean a pool; Sherrie takes 1--hours. Calculate the time difference in hours. Express your answer in
Ber [7]
The time difference is 3 hours
3 0
3 years ago
What is the best for the total weight of these cold meats 1 7/8 of bologna 1 1/2 pounds of ham and 7/8 of roast beef ?
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We need to have common denominators, so I will multiply 1 1/2 by 4
15/8 + 12/8 + 7/8 = 34/8
4&1/4 pounds of meat
5 0
3 years ago
Please help me I need it please help I'm begging you
Citrus2011 [14]

Answer:

5

Step-by-step explanation:

def is similar to abc so the 7.5 side is 1.5x bigger so divide 7.5 by 3 and multiply by 2

6 0
2 years ago
Division of whole numbers is associative, true or false? If false then what is correct? Plz and Thank you for the help!!
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Answer:

Division is not associative.

The associative property applies only to addition and multiplication, not subtraction or division.

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3 years ago
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