Answer:
multiply 0.85x40
Step-by-step explanation:
Population mean = (7+8+6+6+6+4+4+1+2+7+6+1+1+1+3+3+5+4+5+7) / 20 = 87/20 = 4.35 <==
sample mean = (4+5+7) / 3 = 16/3 = 5.33 <==
The length of each side of the base is 9 inches. only 5 size of the cardboard box has an cardboard because of the sixth side is open
8 students forgot to charger their computers