Answer:
-8
Step-by-step explanation:
The rate of change is found by
f(x2) - f(x1)
-------------------
x2 -x1
We know that f(x2) = -26 when x2 =5
And f(x1) = -10 when x1 = 3
-26 - (-10)
---------------
5 - 3
-26+10
---------------
2
-16/2
-8
Answer:
(22.74,24.06) is the required 95% confidence interval for the population mean ACT score of University of Oklahoma students.
Step-by-step explanation:
We are given the following in the question:
Sample size, n = 121
Sample mean = 23.4
Sample standard deviation = 3.65
Level of significance = 0.05
Degree of freedom

95% Confidence interval:
Calculation of critical value:
Putting the values, we get,
(22.74,24.06) is the required 95% confidence interval for the population mean ACT score of University of Oklahoma students.
8:14 is ratio to red to all apples
8:6 is the ratio to green apples
Answer:
62.8, 63% if you around it off.
Step-by-step explanation: Do 49 Divided by 78, then times it by 100 to get your percentage. I just rounded it off to the nearest tenth and whole number just in case. Hope this helped!