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A unity feedback control system for a robot submarine has a plant with a third-order transfer function [20]:
We want the overshoot to be approximately 7.5% for a step input and the settling time (with a 2% criterion) of the system be 400 ms. Find a suitable phase-lead compensator by using root locus methods. Let the zero of the compensator be located at s = -15, and determine the compensator pole. Determine the resulting system Kv.
A food snack manufacturer samples 7 bags of pretzels off the assembly line and weighs their contents. If the sample mean is 12.7 oz. and the sample standard deviation is 0.40 oz., find the 95% confidence interval of the true mean.
Display the analysis-of-variance table with tests for both main effects and interaction. Show P-values. Give engineering conclusions. What have you learned from the analysis of the data
Make your calculation supposing a two-sided two-sample t-test with a type I error (alpha) of 0.056
the monthly earnings of a group of business students are normally distributed with a standard deviation of 594. a
a random sample of 45 door-to-door encyclopedia salespersons were asked how long on average they were able to talk to
a statistics professor assigned various grades during the semester including a midterm exam out of 100 points and a
Let the number of chocolate drops in a certain type of cookie have a Poisson distribution. We want the probability that a cookie of t"his type contains at least two chocolate drops to be greater than 0.99. Find the smallest value that the mean of ..
Carry out a lack-of-fit F -test for the regression of number of flowers on light intensity and an indicator variable for time, using the data in Display 9.2 (data file case0901):
The standard deviation of the sample is 2.5 calls. Using the .05 significance level, can we conclude that the mean number of calls per salesperson per week is more than 44?
Lagrangian Relaxation in Multidimensional Assignment) Apply the Lagrangian relaxation method to the multidimensional assignment problem of Example 10.7, in a way that requires the solution of 2-dimensional assignment problems. Derive the form of ..
a mail order company has an 8 success rate. if it mails advertisements to 600 people find the probability of getting
Critically discuss how you can apply the concept and method of interval estimation to help you solve some of the problems in a regularly accounting department. Give a few examples.
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