Engineering, 29.11.2020 20:50 arnold2619
This problem examines parameter estimation. The mean of the sample is 78.3, the sample standard deviation is 4.8, and the sample size is 60. Estimate the 98% confidence interval on the mean.
Answers: 2
Engineering, 03.07.2019 14:10
If the thermal strain developed in polyimide film during deposition is given as 0.0044. assume room temperature is kept at 17.3 c, and thermal coefficient of expansion for the film and the substrate are 54 x 10^-6c^-1 and 3.3 x 10^-6c^-1respectively. calculate the deposition temperature.
Answers: 3
Engineering, 04.07.2019 18:10
During a steady flow process, the change of energy with respect to time is zero. a)- true b)- false
Answers: 2
Engineering, 04.07.2019 18:10
Which one from below is not one of the reasons of planning failures? (clo3) a)-planner is careless. b-planner spend less time in the field but more time on the desk c)-planner is not qualified d)-planner does not have sufficient time to properly plan
Answers: 3
Engineering, 04.07.2019 18:10
Compute the pressure drop of 30°c air flowing with a mean velocity of 8 m/s in a circular sheet-metal duct 300 mm in diameter and 15 m long. use a friction factor, f 0.02, and pair = 1.1644 kg/m a. 37.26 pa b. 25.27 pa n c. 29.34 pa d. 30.52 pa
Answers: 1
This problem examines parameter estimation. The mean of the sample is 78.3, the sample standard devi...
Mathematics, 20.11.2020 17:40
Mathematics, 20.11.2020 17:40
Mathematics, 20.11.2020 17:40
History, 20.11.2020 17:40
Biology, 20.11.2020 17:40
Mathematics, 20.11.2020 17:40
Mathematics, 20.11.2020 17:40
Mathematics, 20.11.2020 17:40