Engineering, 19.11.2019 02:31 1937
Agroup conducted a poll of 20792079 likely voters just prior to an election. the results of the survey indicated that candidate a would receive 4747% of the popular vote and candidate b would receive 4343% of the popular vote. the margin of error was reported to be 44%. the group reported that the race was too close to call. use the concept of a confidence interval to explain what this means.
Answers: 2
Another question on Engineering
Engineering, 04.07.2019 18:10
Thermal stresses are developed in a metal when its a) initial temperature is changed b) final temperature is changed c) density is changed d) thermal deformation is prevented e) expansion is prevented f) contraction is prevented
Answers: 2
Engineering, 04.07.2019 18:10
Carbon dioxide gas expands isotherm a turbine from 1 mpa, 500 k at 200 kpa. assuming the ideal gas model and neglecting the kinetic and potential energies, determine the change in entropy, heat transfer and work for each kilogram of co2.
Answers: 2
Engineering, 04.07.2019 18:10
Aturning operation is performed with following conditions: rake angle of 12°, a feed of 0.35 mm/rev, and a depth of cut of 1.1 mm. the work piece is aluminum alloy 6061 with t6 heat treatment (a16061-t6). the resultant chip thickness was measured to be 1.0 mm. estimate the cutting force, fc. use shear stress of 207 mpa and coefficient of friction on the tool face of 0.6.
Answers: 1
Engineering, 04.07.2019 19:20
Determine (a) the maximum thermal efficiency of reversible power cycles operating between a hot reservoir at 1000°c and a cold reservoir at 200°c and (b) the maximum cops for reversible refrigeration and heat pump cycies, respectively, between 28°c and 14°c.
Answers: 1
You know the right answer?
Agroup conducted a poll of 20792079 likely voters just prior to an election. the results of the surv...
Questions
Mathematics, 16.11.2020 22:20
Mathematics, 16.11.2020 22:20
Social Studies, 16.11.2020 22:20
English, 16.11.2020 22:20
Mathematics, 16.11.2020 22:20
Chemistry, 16.11.2020 22:20
Biology, 16.11.2020 22:20
Mathematics, 16.11.2020 22:20
Mathematics, 16.11.2020 22:20
Mathematics, 16.11.2020 22:20
History, 16.11.2020 22:20
Mathematics, 16.11.2020 22:20
Arts, 16.11.2020 22:20
Mathematics, 16.11.2020 22:20
