Question 1 of 12 1 Point Fill in the blanks: A random sample of engineers was chosen from among the enormous number of engineers working by a company looking for new petroleum sources. The number of hours each engineer worked in a given week was calculated. The data had a 46-hour mean and a 3-hour standard deviation. How many engineers should be sampled if the mean number of hours worked is to be estimated to within 0.5 hour with a confidence coefficient of 0.95? n= Express answer in whole numbers