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kirill115 [55]
3 years ago
13

Which of the following is the correct point-slope equation for the line that

Mathematics
1 answer:
LuckyWell [14K]3 years ago
5 0
The only possible answer is B. Point slope form always starts with Y - the y value, but since the y value is a negative number it makes it a double negative causing it to become a positive 6
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The Office of Student Services at UNC would like to estimate the proportion of UNC's 28,500 students who are foreign students. I
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Answer:

For the sampling distribution of the sample proportion for a sample of size 50, the mean is 0.061 and the standard deviation is 0.034.

Step-by-step explanation:

The Central Limit Theorem estabilishes 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 this question:

p = 0.061, n = 50

So

Mean:

\mu = p = 0.061

Standard deviation:

s = \sqrt{\frac{0.061*0.939}{50}} = 0.034

For the sampling distribution of the sample proportion for a sample of size 50, the mean is 0.061 and the standard deviation is 0.034.

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