In developing a paint line process for an appliance manufacturer, a given component on a conveyor belt passes a given point at a rate of 25 ft in 3 min into a drying booth. If an object must be in the drying booth for 10 min, how long should this booth be (in ft and inches)? (Enter the maximum number of whole feet and then the remaining inches. Simplify your answer completely.) ft
in

If 1 km = 0.621 miles, how many miles are in a centimeter

Math each whole number with a rational,exponential expression

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.