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LiRa [457]
3 years ago
5

Find the slope for the line through each pair of points (-18,-20) (-18,-15) NEED ASAP

Mathematics
2 answers:
sergejj [24]3 years ago
8 0

Answer:

(5,0)

Step-by-step explanation:

i think youd do

-15+20/-18+18

nirvana33 [79]3 years ago
4 0

Answer:

Distance

5

Midpoint

(−18,−17.5)

Slope

Inf∈ity

Step-by-step explanation:

no solution

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Answer:

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Step-by-step explanation:

The random variable <em>X </em>follows a Normal distribution.

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SD (X) = <em>σ</em> = 7.

A normal distribution is continuous probability distribution.

The Normal probability distribution with mean µ and standard deviation σ is given by,

f_{X}(\mu, \sigma)=\frac{1}{\sigma\sqrt{2\pi}}e^{-(x-\mu)^{2}/2\sigma^{2}};\ -\infty

To compute the probability of a Normal random variable we first standardize the raw score.

The raw scores are standardized using the formula:

z=\frac{x-\mu}{\sigma}

These standardized scores are known as <em>z</em>-scores and they follow normal distribution with mean 0 and standard deviation 1.

Compute the probability of (X < 42) as follows:

P(X

*Use a <em>z</em>-table for the probability.

Thus, the probability that <em>X</em> is less than 42 is 0.1271.

The normal curve is shown below.

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