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hoa [83]
3 years ago
6

Plz Help NO LINKS NO LINKS

Mathematics
1 answer:
Ann [662]3 years ago
6 0

Answer:

The second one is correct.

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Please help me no links!!
kaheart [24]

Answer:

Slope is -3

y-intercept is -3 and equation is y=-3x-3

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Ur smart if u can answer this ez question and extra points
Snezhnost [94]
The answer would be A :)
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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
Use the graph to find the factorization of x^2 - 7x + 12.​
harkovskaia [24]

Answer:(x-3)(x-4)

Step-by-step explanation:Basically, the intercepts of the graph, 3 and 4, are when the graph is equal to zero, which is why is (x-3)(x-4) and not (x+3)(x+4).

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I will mark brainly if correct
kakasveta [241]
I believe option 3 is the correct answer! Multiply the (days) by 37.5!
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