Which of the following staffing policies seeks the best people for key jobs throughout the organization, regardless of nationality?

Which of the following can be symbolized as:

EG: R X O1 CG: R O2 Where, X = the exposure of a group to an independent variable, treatment, event, the effects of which are to be determined O = the process of observation or measurement of the dependent variable on the test units or group of units R = the random assignment of test units or groups to separate treatments CG = control group EG = experimental group A) one-shot case study B) one-group pretest-posttest design C) posttest-only control group design D) static group design E) pretest-posttest control group design

Consider the continuous random variable x, which has a uniform distribution over the interval from 20 to 28 . The probability that x will take on a value of at least 26 is _____

a. 0 b. .125 c. .250 d. 1