Answer:
a) (0.806, 0.852)
b)Margin of error ≤ 0.01
1.96*√{0.5*(1–0.5)/n} ≤ 0.01
√n ≥ 98
n ≥ 9604
• Smallest sample size = 9604
Step-by-step explanation:
I found this on Chegg
A dozen is equal to 12 so you have to do 12 x 9 = 108.
108 ÷ 4 = 27 so there was 27 rolls in each box.
Answer: 14,533.79 don´t take my word for it
Step-by-step explanation:
Multiply by 4 to get rid of fraction
4(18) = 4(x/4 + 7)
72 = x + 28
x = 44
Solution; x = 44
