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3 years ago

Line that passes through (4,0) perpendicular line to y= 1/5x+1

Mathematics

1 answer:

skad [1K]3 years ago

4 0

Answer:

Step-by-step explanation:

if the line is perperdicular to the first one:

$m_2=-\frac{1}{m_1}=-\frac{1}{\frac{1}{5}}=-5\$

if that line passes through the point (4, 0) the.

$y-y_o=m(x-x_o)\\\\y-(0)=-5(x-(4))~=>y=-5x+20$

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astra-53 [7]

Answer:

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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.

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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.

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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.

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