Agreed. I hate when people do that.
Answer:
-0.503
Explanation:
Z-score is expressed as:
Z-score = x - μ/σ
Given the following
x = 28.5413
μ = 30
σ = 2.9
Z-score = 28.5413-30/2.9
Z-score = -1.4587/2.9
Z-score = -0.503
Hence the z-score for the distribution is -0.503
Answer: 5.64 cm
Explanation:
Volume of a cylinder = π * r^2 * h →
400 = π * r^2 * 4 →
r = 5.64 cm :)
