Gary wanted to determine the average height of boys at the high school. his older brother is on the basketball team, so he asked him to measure his teammates. after interpreting the results, gary determined the average height of a high-school-aged boy to be 6 feet, 1 inch. would you consider these results to be valid? yes, because only high-school boys were surveyed. yes, because the results were obtained randomly by measuring the boys basketball team. no, because boys on the basketball team are likely to be taller than the average high school boy. no, because there are no girls surveyed.

Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.

The measure of an angle is 117°. what is the measure of a supplementary angle?

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.