Mathematics, 30.04.2021 21:20 panpanriser76
The amount of time a certain brand of light bulb lasts is normally distribued with a mean of 1700 hours and a standard deviation of 45 hours. Using the empirical rule, what percentage of light bulbs last between 1655 hours and 1745 hours?
Answers: 3
Mathematics, 21.06.2019 19:30
Choose the more precise measurement. 26.4 cm or 8.39 cm
Answers: 1
Mathematics, 21.06.2019 21:30
Suppose y varies directly with x. write a direct variation equation that relates x and y. then find the value of y when x=12 y=7 when x=3
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Mathematics, 22.06.2019 00:00
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.
Answers: 1
Mathematics, 22.06.2019 07:20
Mathematics viiwhat is the coefficient of a variable that appears by itself, like "a"?
Answers: 1
The amount of time a certain brand of light bulb lasts is normally distribued with a mean of 1700 ho...
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