You and a friend each hold one end of a long rope and shake it to make waves. What is the medium for these waves?

A) the rope
B)your hand
C)your friends hand
D)the air

Aresearcher plans to conduct a test of hypotheses at the 1% significance level. she designs her study to have a power of 0.90 at a particular alternative value of the parameter of interest. the probability that the researcher will commit a type ii error for the particular alternative value of the parameter at which she computed the power is: a. 0.90. b. 0.01. c. 0.10. d. equal to 1

Explain what happens at the saturation point when adding salt to water at room temperature.

Most of the volume of an atom is occupied by the