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.Show the upper bound for the 95% confidence interval estimate of the average number of paid sick days allowed employees by the population of all U.S.companies.

A) 18.76
B) 20.34
C) 19.65
D) 18.08
E) 19.13