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Math, 28.10.2019 16:29

Six normal drinking glasses are standing in a row. the first three are full of water and the following three are empty. by moving only one glass, can you change the arrangement so that no full glass is next to another full glass and that no empty glass is next to an empty glass, and we still have three full and three empty glasses?

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Math, 28.10.2019 21:28

Problem 2. aside from the excise tax on purchase sugar-sweetened beverages, another provision of the tax reform program is the excise tax on fuel and automobiles. the higher tax aims to discourage too much consumption of scarce resources and to control environmental pollution. the economic team assessed the current consumption of fuel among students who drive to school as baseline for possible changes in the studentsâ€™ fuel consumption after one year. the team randomly selected 10 students who drive to school and asked the amount they spend on fuel per month. the following expenses were given: 5,500 4,600 6,000 8,000 1,000 6,700 2,200 7,000 3,500 2,500 it is known that monthly expenses on fuel follow the normal distribution with standard deviation of 500 pesos. a. construct a 95% confidence interval for the true mean monthly expenditure on fuel. interpret the confidence interval obtained. (6 pts) computation: interpretation: b. find a 99% confidence interval for the true mean monthly expenditure on fuel (3 pts) computation: c. calculate the widths of the confidence intervals in (a) and (b). how was the width of the confidence interval affected by the decrease in the level of confidence? (4pts) width of (a) = width of (b)=

Answers: 1

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