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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.
Standard deviation equal to 500 and 50 hours, respectively. Find the probability that a random sample of 15 bulbs will have an average life of less than 475 hours.
Identify and explain at least two regression/correlation constructs in the case scenario. Then describe the steps you would take to analyze this scenario. Please explain each step by indicating your rationale.
the number of power surges at a nuclear plant follows a poisson distribution with an average of .5 power surgers per
Normal distribution or a t-distribution should be used or whether neither of these can be used to construct a confidence interval. Assume the distribution of prices is skewed left.
48 or fewer will answer the question correctly. What is the z-score that you should look up in the z-table to find the desired probability?
Calculate a 95% confidence interval on the average weight of packaged mustard seed. Explain very carefully to the packaging workers what the 95% confidence interval numbers mean. Include your Excel output. Is there anything you would want to note ..
birthweights at a local hospital have a normal distribution with a mean of 110 oz. and a standard deviation of 15 oz.
each student in a class of 80 rolls 8 dice in order to perform inference about the mean of all dice rolls which happens
Perform exploratory data analysis on all variables in the data set. Realizing that you have six groups, be sure that your exploratory analysis is broken down by group. When possible, include appropriate graphs to help illustrate the dataset.
the distribution of the sum of independent n? ?2 random variables isa. always approximately normalb. always exactly
A polling company obtains an alphabetical list of names of voters in a precinct. They select every 20th person from the list until a sample of 100 is obtained.
Seven students have applied for merit scholarships. This year 3 merit scholarships were awarded. If a random sample of 3 aplications (from the population of 7) is selected,
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