A polling organization conducted a survey of registered voters to estimate the proportion of voters who support a particular ballot initiative. The survey found an estimated support rate of 53%, with a margin of error of 4 percentage points. Based on these results, which of the following conclusions is most appropriate?
The true proportion of all registered voters who support the initiative is exactly 53%.
It is unlikely that the true proportion of all registered voters who support the initiative is less than 49%.
It is plausible that the true proportion of all registered voters who support the initiative is between 49% and 57%.
At least 53% of all registered voters support the initiative.
