subject
Engineering, 13.12.2019 04:31 dntestkly4581

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.

ansver
Answers: 2

Another question on Engineering

question
Engineering, 03.07.2019 15:10
Heat is added to a piston-cylinder device filled with 2 kg of air to raise its temperature 400 c from an initial temperature of t1 27 cand pressure of pi 1 mpa. the process is isobaric process. find a)-the final pressure p2 b)-the heat transfer to the air.
Answers: 1
question
Engineering, 04.07.2019 18:10
Aplate clutch has a single pair of mating friction surfaces 250-mm od by 175-mm id. the mean value of the coefficient of friction is 0.30, and the actuating force is 4 kn. a) find the maximum pressure and the torque capacity using the uniform-wear model. b) find the maximum pressure and the torque capacity using the uniform-pressure model.
Answers: 3
question
Engineering, 04.07.2019 18:10
At 12 noon, the count in a bacteria culture was 400; at 4: 00 pm the count was 1200 let p(t) denote the bacteria cou population growth law. find: (a) an expression for the bacteria count at any time t (b) the bacteria count at 10 am. (c) the time required for the bacteria count to reach 1800.
Answers: 1
question
Engineering, 04.07.2019 18:20
Find the minimum film thickness for a journal bearing with the data below. shaft diameter, d-50 mm, clearance ratio, cdratio? 0.001, shaft speed, n 2000 rpm; bearing length. i 200 mm; eccentricity ration, ? -0.55. ( note, cdratio-ca/d) the minimum film thickness is um
Answers: 2
You know the right answer?
Agroup conducted a poll of 20792079 likely voters just prior to an election. the results of the surv...
Questions
question
Mathematics, 10.07.2019 08:00
question
Mathematics, 10.07.2019 08:00
question
Mathematics, 10.07.2019 08:00
Questions on the website: 13722361