A committee of 3 3
is being formed randomly from the employees at a school: 6
6
administrators, 36
36
teachers, and 4
4
staff. What is the probability that all 3
3
members are administrators? Express your answer as a fraction in lowest terms or a
decimal rounded to the nearest millionth.

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

Suppose that 15 inches of wire cost 60 cents. at the same rate, how much (in cents) will 12 inches of wire cost

Agroup of student volunteers participates in a study designed to assess several behavioral interventions for improving output in a repetitive task. prior to the beginning of the study, all volunteers unknowingly observed, and their output is measured. at the beginning of the study, prior to any intervention, the volunteers perform the same task under the observation of a study administrator, and their overall output increases. which of the following terms describes this phenomenon? a. simpson's paradox b. hawthorne effect are d. novelty effect d. pygmalion effect e. observer-expectancy effect