What is slope-intercept form

Mathematics

2 answers:

mario62 [17]3 years ago

7 0

The slope intercept form is y=mx+b. m is the slope, b is the y intercept,

TEA [102]3 years ago

5 0

Slope-intercept form is y=mx+b

Remember, (m) is the slope, and (b) is the y-intercept.

Slope-intercept form is always used for straight lines.

~Hope I helped!~

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We have 96% of confidence that the true proportion of people who responded that they have a plan to buy one electric car is between (0.121 and 0.303).

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For this case the estimated proportion of people who responded that they have a plan to buy one electric car is given by:

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Where X represent the number of people who responded that they have a plan to buy one and n represent the sample size selected

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The confidence interval for the true proportion is given by this expression:

$\hat p \pm z_{\alpha/2}\sqrt{\frac{\hat p (1-\hat p)}{n}}$

Replacing the data given we got:

$0.212 - 2.05\sqrt{\frac{0.212(1-0.212)}{85}}=0.121$

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Step-by-step explanation:

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