Six measurements are taken of the thickness of a piece of 18-guage sheet metal. The measurements (in mm) are:

1.316, 1.308, 1.321, 1.303, 1.311, 1.310

a. Make a boxplot of the six values.

b. Should the t distribution be used to find 99% confidence interval for the thickness? If so, find the confidence interval. If not explain, why not.

An air conditioning system can circulate 350 cubic feet of air per minute. how many cubic yards of air can it circulate per minute?

Suppose that an airline uses a seat width of 16.516.5 in. assume men have hip breadths that are normally distributed with a mean of 14.414.4 in. and a standard deviation of 0.90.9 in. complete parts (a) through (c) below. (a) find the probability that if an individual man is randomly selected, his hip breadth will be greater than 16.516.5 in. the probability is nothing. (round to four decimal places as needed.)

Awater tank holds 18000 gallons. how long will it take for the water level to reach 6000 gallons if the water is used at anaverage rate of 450 gallons per day