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.
Answer:
B. (-3,1)
Step-by-step explanation:
From the graph, point P is 3 units to the left of x-axis and 1 unit to the positive side of y-axis
Answer:
a
Step-by-step explanation:
Answer:
103
Step-by-step explanation:
There is 540 degrees total in a pentagon. To find the missing angle, you must subtract all the known angles from 540. 540-100-117-105-115=103
Answer:-12 x 12 =- 144.
What you do is multiply regularly then add the negative sign, but if your multiplying 2 negatives it’s a positive answer. I cant help with the Fractions caz I’m not good at them lol .
