The marketing manager for an electronics chain store wants information about the ages of its customers. over the next two weeks, at each store location, 100 randomly selected customers are given questionnaires to fill out asking for information about age, as well as about other variables of interest.
a. determine the type of sampling used (simple random, stratified, systematic, cluster, or convenience).
b. what is the population?

What is the distance between the points 4,10 and -3,-14 on the coordinate plane

Acompany manufactures large valves, packed in boxes. a shipment consists of 1500 valves packed in 75 boxes. each box has the outer dimensions 1.2 x 0.8 x 1.6 m and the inner dimensions 1.19 x 0.79 x 1.59 m. the boxes are loaded on a vehicle (truck + trailer). the available capacity in the vehicle combination is 140 m3. each valve has a volume of 0.06 m3. - calculate the load factor on the box level (%). - calculate the load factor on the vehicle level (%). - calculate the overall load factor (%).

The function below show how much jayna and hannah charge for babysitting. which statement best compares the two plants?