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An article in Ad Hoc Networks discussed an underwater acoustic sensor network to monitor a given area in an ocean. The network does not use cables and does not interfere with shipping activities. The arrival of clusters of signals generated by the same pulse is taken as a Poisson arrival process with a mean of ? per unit time. Suppose that for a specific underwater acoustic sensor network, this Poisson process has a rate of 2.5 arrivals per unit time.
a) What is the mean time between 2.0 consecutive arrivals?
b) What is the probability that there are no arrivals within 0.3 time units?
c) What is the probability that the time until the first arrival exceeds 1.0 units of time?
d) Determine the mean arrival rate such that the probability is 0.9 that there are no arrivals in 0.3 time units.
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question a sample of legal costs in thousands of dollars for school districts for two recent consecutive years is
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A sample of n=20 has a mean of M = 40. If the standard deviation is s=5, would a score of X= 55 be considered an extreme value? Why or why not?
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A final exam in Statistics has a mean of 73 with a standard deviation of 7.73. Assume that a random sample of 24 students is selected and the mean test score of the sample is computed. What percentage of sample means are less than 70?
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Evaluate z statistic for the Wilcoxon rank sum test, standard deviation for the Wilcoxon rank sum test and P-value for the Wilcoxon rank sum test
In a statistics lecture, students are asked whether or not they enjoyed doing statistics. Random sample of 50 students was taken and 30 of them said that they enjoyed doing statistics.
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