Grandma is planning Thanksgiving dinner. She needs to purchase a turkey large enough to feed everyone, but she is not sure how many people are coming. She knows that she needs approximately ½ a pound of turkey per person. Complete the table below to help grandma with her planning

Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.