In a poll of registered voters nationwide, 43% of those polled blamed oil companies the most for the recent increase in gasoline prices. the margin of error for this poll is 2.4%. what does this represent? a. the sample proportion likely falls within 2.4% of the population proportion. b. the sampling distribution of the sample proportion has a standard deviation equal to 0.024. c. the sample proportion likely falls within 2.4% of the population proportion, which is between 0.406 and 0.454. d. all of these are representative. e. the population proportion is between 0.406 and 0.454.