Amalie wants to know if students in her class prefer hot dogs or hamburgers. why should amalie survey the entire population rather than a sample of the population? answer is 'the population is small enough to survey the entire group'

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.

What is always true when two whole numbers are subtracted?

Determine which postulate or theorem can be used to prove that lmn =nmo