There are a large number of individuals working at a certain factory. carmen wishes to obtain a 95% confidence interval estimate for the true mean age of all of the workers by obtaining a random sample of 86 workers. If knows that the population standard deviation is 21.1 years, what will the margin of error be? (Round to 2 decimal places.)

There are a large number of individuals working at a certain factory. Carme population standard deviation is 21.1 years, what will the margin of error be O A. 2.08 years OB. 2.28 years OC. 4.46 years OD. 4.08 years O E. None of the above Click to select your