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:
Answer:
Step-by-step explanation:
Hey there!
I think that some of the content in your question is missing so I will be solving for how much yards of fabric is needed in total
Since all of the fractions have common denominators, we can comfortably add them together
3/4+3/4+2/4 is 8/4
8/4 can be simplied to 2
So the total amount of yards of fabric Thom needs in total is 2 yards
Answer:
457,909
Step-by-step explanation:
-3358 from 461,267 and it gaves you 457,909
so 457,909 + 3358 = 461,267
Answer:
blank = 50,000
Step-by-step explanation:
You drive 60 miles in 1 hour.