Answer:
80 men
Step-by-step explanation:
4 : 5 10 : 9
40 : 50 : 45
40 x 2 = 80
diameter = 3ft
radius = 3/2 ft
perimeter of semicircle= πr = π (3/2) = 3.14×3/2
= 4.71 ft
B. 1.17
The z-score is:
z = (x − μ) / σ
z = (67.1 − 64.4) / 2.3
z = 1.17
