Abusiness receives supplies of copper tubing where the supplier has said that the average length is 26.70 inches so that they will fit into the business’ machines. a random sample of 48 copper tubes finds they have an average length of 26.77 inches. the population standard deviation is assumed to be 0.20 inches. at α=0.05, should the business reject the supplier’s claim?

Which of those sequences is a geometric sequence

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.

You wanted to draw an enlargement of design that printed on a card that is 4 in by 5