Four men had ages of 28, 30, 34, and 35. what is the median age of the four men?

Acircle has a circumference of 28.36 units what is the diameter of the circle

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.

Can someone me with my math problem pls my teacher is on my back about this