The margin of error given the proportion can be found using the formula

Where

is the z-score of the confidence level

is the sample proportion

is the sample size
We have



Plugging these values into the formula, we have:

The result 0.14 as percentage is 14%
Margin error is 38% ⁺/₋ 14%
Answer:
Justin travels 211.83 miles on 8.2 gallons of gas.
Step-by-step explanation:
77.5 miles / 3.1 gallons = x miles / 8.2 gallons
Solve for x... multiply by 8.2 gallons on both sides (that cancels it on the right) side of the equation.
8.2 gallons *77.5 miles / 3.1 gallons = x
635.5/ 3.1 = x
211.83 miles = x
Answer:
the answer is 1260 degrees
pleases mark me the brainliest!
Answer:

Step-by-step explanation:

Isolate d

.
Divide both sides of the equation by b

Simplify

The formula is for slope is y2-y1/x2-x1 so 3- -1 = 4 and -2 - 4 = -6 so it would be 4/-6