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Simulate the M-ary PSK system for M = 8 and M = 16. Let ERR denote the relative frequency of symbol errors in the simulated transmission in 105 symbols. For each value of M, graph ERR, as a function of the signal-to-noise power ratio (SNR) γ = E/σ2. Consider 10log10 γ, the SNR in dB, ranging from 0 to 30 dB.
An element E has a constant failure rate λ and a reliability at time t of R(t)=p, if p=0.5 and 0.9, what is the effect on Rs(t), basic reliability, serial Mean Time Between Failure, hs(t), MTBFs if additional elements are added to the baseline sys..
suppose 60 people in stat 322 class each generate a random number independently resulting in 60 random numbers.let x
1. Evaluate Tran's effectiveness as a project manager based on the skills required for the success of this project. 2. Explain how the team roles based on the Belbin model could assist Tran to solve his dilemma.
(a) Can we say that the data are approximately normally distributed? (b) Find a 95% con?dence interval for population mean stopping distance μ.
question in a study of distances travelled by buses before the first major engine failure a sampling of 191 buses
Construct a 99% jackknife con?dence interval for the actual variance of the air pollution index for this city and interpret.
In a random sample of 20 people, the mean tip that they said they would leave after a $30 meal was $3.75 and the standard deviation was $0.25. Construct a 99% confidence interval for the population mean.
the positioning of nests in shrubs was noted for a species of bird. use the data shown to determine if there was a
construct a 96 confidence interval for the true mean breaking strength of a certain type of 10 ft. long cables. assume
Polls showed the two main candidates in the 2004 presidential election were nearly tied on the day before the election. To predict the winner a newspaper would like to have a poll that has margin of error less than 1%. Roughly how large a sample w..
(a) Find the generating function of the number of individuals in the first two generations. (b) Suppose that the offspring distribution is geometric with parameter p. Determine the extinction probability.
Using this information, calculate Blpha risk (probability of Type II error) if the true population mean really is 81.
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