In a Random Sample of 341 U

Multiple Choice

In a random sample of 341 U.S.companies, the average number of paid sick days allowed company employees was 18.65.The margin of error was reported as 1 day, at the 95% confidence level.If you were to build a 90% confidence interval here, the margin of error would be how many day(s) .

A) 0.76
B) 0.81
C) 0.79
D) 0.72
E) 0.84