Answer:
-5
Step-by-step explanation:
H is the value that is being added or subtracted from x in the equation
f(x)=a(x-h)^2 +k
The answer would be 140° or D because supplementary means the angles add up to 180°. Therefore, 180°-40°=140°
Change in y: 1
Change in x: 3
Slope = m = rise/run = change in y/change in x = 1/3
y-intercept = b = 0
y = mx + b
y = 1/3 x + 0
y = 1/3 x
Answer:
estimated sample mean X is 14.7 minutes
sample standard deviation is ≈ 0.59 minutes.
Step-by-step explanation:
Let X be the mean delivery time for a random sample of 40 orders at this restaurant, then
X can be estimated as 14.7 minutes (mean delivery time for all food orders at a fast-food restaurant during the lunch hour)
Let s be the standard deviation of delivery time for a random sample of 40 orders at this restaurant, then
≈ 0.59 where
- 3.7 is the standard deviation of the delivery times for all food orders at a fast-food restaurant during the lunch hour
- 40 is the sample size