You have a loan for $1000 at 7.65 apr 100 of the loan is due each month and there is a penalty of 2% on the original amount were not paid if you do not pay anything on that loan during the year and assuming there is no compounding how much will you owe in total

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.