There are a large number of individuals working at a certian factory. The weights of those workers have standard dev of 23.1 pounds. Martin obtains a random sample of 90 workers and calculates a 95% confidence interval for the mean weight of this population. if the condidence interval he obtains is 127 > u > 207 what is the margin of error?

Jasswd There are a large number of individuals working at a certain factory. The weigh. weight of this population. If the confidence interval he obtains is 127