I think the answer is 2 im not sure
1. 6 7/18
2. Either 15 19/12 or 16 7/12 i dont know if it can be improper
3. 2 1/24
4. 4 1/10
Hope this helps
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:
Step-by-step explanation:
ratio will be
30/27
= 10/9
=10:9
Answer:
The answer is 4 :)
Step-by-step explanation: