Answer:
The confidence interval is 6.6<μ<6.8.
Step-by-step explanation:
We have:
Number of observations = 601
Mean = 6.7
Standard deviation σ = 1.5
The z-score for a 95% confidence interval is 1.96.
The limits of the confidence interval can be calculated as
The confidence interval is 6.6<μ<6.8.
Six women push grocery carts up a ramp as shown.
2 carts weigh 50 lbs. each.
4 carts weigh 20 lbs. each.
How much work was done?
_____________ ft.-lbs. (total work)
Answer:7 inches
Step-by-step explanation:
Volume of cube=343
volume of cube=length x length x length
length =L
Volume of cube=LxLxL
343=L^3
L^3=343
Taking the cube root of both sides we get
L=cube root of 343
L=7
Length =7 inches
Answer:
c. 38
Step-by-step explanation:
