C) r^2 + 1 because any number squared (positive or negative) will be positive
Answer:
B. 
≅ 
Step-by-step explanation:
We know that one coin has 2 sides, this makes it so the expression is 2 multiplied by x, or 2x
Answer:a. μ = 9.667 hours
b. σ = 1.972 hours
c. SE = 0.805 hour
Sample size (n) = 6
Sample data (xi) = 10, 8, 9, 7, 11, 13
a. Mean time spent in a week for this course by students:
Sample mean is given by:
Mean time spent in a week per student is 9.667 hours
b. Standard deviation of the time spent in a week for this course by students:
Standard deviation is given by:
c. Standard error of the estimated mean time spent in a week for this course by students:
Standard error is given by:
Good evening
Answer:
<h2>x = 5 or x = -2</h2>
Step-by-step explanation:
Look at the photo below for the details.
:)
