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A unity feedback closed-loop system has a steady state error equal to .4/10, where the input is r(t) = At2/2. The Bode plot of the magnitude and phase angle versus co is shown in Figure P8.25 for G(jω). Determine the transfer function G(s).
In a poll of 150 randomly selected adults 78 said they favored a new proposition. compute a 95% confidence interval for the proportion of all adults in favor of the proposition at the time of the poll.
24 of the students in the sample received an "A". Test the instructor's claim at a 5% level of significance. What is your conclusion?
The most probable value to roll on two dice is 7. The most probable number of heads in two coin flips is one head. Can you think of most probable values of random events?
It is hypothesized that when homing pigeons are disoriented in a certain manner, they will exhibit no preference for any direction of flight after takeoff (so that the direction X should be uniformly distributed on the interval from 0° to 360°).
Is there a significant difference in the proportions of patients reporting pain relief? Run the test at a 5% level of significance.
Professor Jennings claims that 35% of the students at Flora College work while attending school. Dean Renata thinks that the professor has underestimated the number of students with part time or full time jobs. A random sample of 81 students shows..
Consider the linear system x' = Ax, where A is a n x n real matrix. If x = x(t) is a solution of the linear system, we define:
Using your knowledge of infectious disease epidemiology, quantify the pattern of disease X in this group, i.e., what are the infectivity, pathogenicity, and virulence of disease X?
in a similar study using a sample of n36 participants the individuals who wore the shirt produced an average estimate
prizes and the chances of winning in a sweepstakes are given in the table below.prizechances250000001 chance in
1. What proportion of the ball bearings manufactured by this process meet the specifications? 2. What is the 99th percentile of the diameter of the ball bearing?
1. in a well known quiz show the contestant is asked to choose between door number 1 door number 2 and door
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