A random sample of 2,500 adults was surveyed about their online shopping habits. The survey found that 78% of the adults in the sample reported making at least one online purchase in the last month, with a margin of error of 2.8%. Which of the following is NOT a plausible conclusion about the percentage of all adults who made at least one online purchase in the last month?
The percentage is between 75.2% and 80.8%.
The percentage could be 77%.
The percentage is likely around 78%.
The percentage is definitely 70%.