Find AB. i’m literally so dumb i don’t know math
2 answers:
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The correct answer is the first choice, ($1818.30, $5077.70.)
To find this, we first find the z-score based on the confidence level:
Convert 95% to a decimal: 95%=95/100 = 0.95
Subtract from 1: 1-0.95 = 0.05
Divide by 2: 0.05/2 = 0.025
Subtract from 1: 1-0.025 = 0.975
Using a z-table (http://www.z-table.com) we see that this value is associated with a z-score of 1.96.
Next, we identify
Next we find
Next we find
Next, we multiply this value by z:
1.96(831.479) = 1629.70
The confidence interval is given by
To find this, we first find the z-score based on the confidence level:
Convert 95% to a decimal: 95%=95/100 = 0.95
Subtract from 1: 1-0.95 = 0.05
Divide by 2: 0.05/2 = 0.025
Subtract from 1: 1-0.025 = 0.975
Using a z-table (http://www.z-table.com) we see that this value is associated with a z-score of 1.96.
Next, we identify
Next we find
Next we find
Next, we multiply this value by z:
1.96(831.479) = 1629.70
The confidence interval is given by
In order to find these answers, we must put the equation into slope-intercept form.
Slope-intercept form has the following equation: Y=mx+b
M is the slope of the equation, and b is the Y-intercept. In this case, we have to isolate the Y variable and solve
So, the M in this case is 7, and the b is .5
So, the slope of the equation is 7, and the Y intercept is .5