1. 16
2. 10
3. ?
4?
for 3 and 4 I think you use a protractor
This Is The Answer Hope It Helps
The equation is 20x = 1200
x=1200÷20
x=60 rows
First divided 140 by 100 to find out how much 1 percent is
140 ÷ 100 = 1.4
multiply 1.4 by 45 to find 45 %; 1.4 x 45 = 63
then add 63, which is 45%, to 140, which is 100%, and you get 203, which is 140 + 45%, or 145%
please mark brainliest if this helped you. I hope it did!
Answer:

Step-by-step explanation:
Give data:






for 95% confidence interval

from standard z- table
confidence interval for P_1 and P_2 is



confidence interval is

