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2 years ago

Identifying Slope and y-Intercept of a Line

Mathematics

1 answer:

Ira Lisetskai [31]2 years ago

6 0

Step-by-step explanation:

The slope-intercept form of an equation of a line:

y = mx + b

m - slope

b - y-intercept

y = 1 - 3x = -3x + 1

slope = -3

y-intercept at 1

y = 3x - 1

slope = 3

y-intercept at -1

x - 3 = y → y = 1x - 3

slope = 1

y-intercept at -3

x + 3 = y → y = 1x + 3

slope = 1

y-intercept at 3

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And using the z score given by:

$z = \frac{\hat p -\mu_p}{\sigma_p}$

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So we want to find this probability:

$P(z>1.340)$

And using the complement rule and the normal standard distribution and excel we got:

$P(Z>1.340) = 1-P(Z$

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