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pav-90 [236]
2 years ago
14

Find the slope of the line that goes through the two points below.

Mathematics
1 answer:
timama [110]2 years ago
6 0

Answer:

-4

Step-by-step explanation:

The slope of the line is found by

m = (y2-y1)/(x2-x1)

    = (-7 - -19)/(-2 -1)

    = (-7+19)/(-2-1)

    = 12/-3

    = -4

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Consider a value to be significantly low if its z score less than or equal to minus−2 or consider a value to be significantly hi
ziro4ka [17]

Answer:

If the weight is higher than 5.8886 gr would be considered significantly high

If the weight is lower than 5.6121 gr would be considered significantly low

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

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Solution to the problem

Let X the random variable that represent the weights of a population, and for this case we know the distribution for X is given by:

X \sim N(5.75241,0.06281)  

Where \mu=5.75241 and \sigma=0.06281

And the best way to solve this problem is using the normal standard distribution and the z score given by:

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

For the case when z =-2 we can do this:

-2 = \frac{X-5.75241}{0.06281}

And if we solve for X we got:

X = 5.75241 -2*0.06281 =5.6121

And for the other case when Z=2 we have:

2 = \frac{X-5.75241}{0.06281}

And if we solve for X we got:

X = 5.75241 +2*0.06281 =5.8886

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If the weight is lower than 5.6121 gr would be considered significantly low

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Y1-Y2 / X1-X2

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Step-by-step explanation:

4 0
3 years ago
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