The population of Westville grew from 25,000 to 27,000 in two
years. What was the percent of increase for this period
of time?

16 more than the product of 5 and p

How are sas and sss used to show that two triangles are congruent?

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.