Me
georgette needs to earn a b in her physics class. her current test scores are 80, 83, 77, and 89. her final exam is worth 3 test scores. in order to earn a b georgette's average
must lie between 80 and 89 inclusive. what range of scores can georgette receive on the final exam to earn a b in the course? use interval notation to express this range.
the range of scores for the final exam that will earn georgette a b in the course is
(type your answer in interval notation)

Ascientist studied a population of workers to determine whether verbal praise and/or tangible rewards affect employee productivity. in the study, some workers were offered verbal praise, some were offered tangible rewards (gift cards, presents, and some were offered neither. the productivity of each participant was measured throughout the study by recording the number of daily tasks completed by each employee. which inference might the scientists make based on the given information? a.) the number of daily tasks completed by each employee may influence the dependent variable, which is whether the employee receives verbal praise, tangible rewards, or neither. b.) verbal praise and/or tangible rewards may influence the independent variable, which is the number of daily tasks completed by each employee. c.) verbal praise and/or tangible rewards may influence the dependent variable, which is the number of daily tasks completed by each employee. d.) the dependent variables, which are verbal praise and tangible rewards, may influence the number of daily tasks completed by each employee.