Answer:
95% Confidence interval: (0.0429,0.0791)
Step-by-step explanation:
We are given the following in the question:
Sample size, n = 679
Number of anonymous websites, x = 42

95% Confidence interval:


Putting the values, we get:

is the required confidence interval for proportion of all new websites that were anonymous.
Answer:
D
Step-by-step explanation:
This is because they are both mulitplied by two so they are still equivalent
Solve each one to find that D is the answer
Answer:
580
Step-by-step explanation: