Calculate the amount of money you'll have at the end of the indicated time period, assuming that you earn simple interest You deposit S3500 in an account with an annual interest of 5.4% for 20 years?
The amount of money you'll have at the end of 20 years is
(Type an integer or a decimal.)

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.