Answer: 95% confidence interval would be (0.449, 0.511)
Step-by-step explanation:
Since we have given that
n = 1022
p = 48% = 0.48
We need to find the 95% confidence interval first.
z = 1.96
Margin of error would be

95% confidence interval would be

It means true proportion who felt that economic growth is more important than protecting the environment is within 0.449 and 0.511 using 95% confidence.
Dishwasher and refrigerator, correct me if i’m wrong
Since x is 12, you add that with 3 so you get 15, then multiply it by 2 which you get 30
Y=6x
Since she uses 6 beads per inch, you would just multiply 6 by the number of inches (x)