46% of Americans polled on March 13th and 14th said that the federal government is doing enough to prevent the spread of the coronavirus according to the NPR/PBS NewsHour/Marist Poll. The margin of error from the overall sample is 4.8 percentage points with a 95% confidence level. a. (3 points) What is the confidence interval?
46% of Americans polled on March 13th and 14th said that the federal government is doing...