Points a, b and c are collinear and b is between a and c. given ab=12 and ac=19, what is bc

Lydia collected two sets of data one set of data shows an outlier. which set has an outlier, and which number is the outlier?

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.

Explain how you could use the interactive table to tell if sets of points are on the same line. math 8