500 students. if 200 students= 40% and you need to find the full 100% they you would add another 200 students or 40% and then you would add another 100 students or 20%. when you add all them up you get 40%+40%+20%= 100% and 200+200+100=500.
Answer:
Reject null hypothesis
Step-by-step explanation:
Because our p-value of 0.04 is less than the level of significance of 0.05, then we reject the null hypothesis that there's no difference between the means and conclude that a significant difference does exist
Answer:The areas is 102m
Step-by-step explanation:
The answer Is 4! Good luck
Lateral Area of a cylinder is ; 2πR.H
R=12 mm and H= 15 mm
Then LATERAL area = 2π(12)(15) =48π ≈ 150 mm²