Solution: We are given:
μ=180,σ=25,n=100
Therefore the standard error of the mean is



Answer:
Their slopes are opposites
Answer:
V = 210 cm³
Step-by-step explanation:
The volume (V) of a cube is calculated as
V = Ah ( A is the area of the base and h is the height )
Here A = 5 × 6 = 30 cm² and h = 7 cm , then
V = 30 × 7 = 210 cm³
5/2 = 2.5
you can check by multiplying 2.5 and 2.