Please help this is timed a d im not good at inequalities On one day in December, the average temperature in Columbus was -2 degrees Fahrenheit, and the average temperature in Cereland es degrees Fahrenheit. Create an inequality to compare these two temperatures.​

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.