Give correct answer and explain it

Question 27 2 pts Test utility is highest with a very low base rate O any of the choices, depending on the type of job a low validity coefficient O a high selection rate an average base rateQuestion 28 2 pts Combining a candidate's scores on two separate assessments and using the combined score for selection is an example of the: O normative approach compensatory approach O multiple hurdles approach O none of the choices O contingent approach