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Suppose that traffic accidents occur in a certain region according to a Poisson process with rate λ = 2 per day. Suppose also that the number M of persons involved in a given accident has a geometric distribution with parameterp = 1/2. That is,
(a) Calculate the mean and the variance of the number of persons involved in an accident over an arbitrary week.
(b) Let T be the random variable denoting the time between the first person and the second person involved in an accident, from the initial time. Calculate the distribution function of T
As number sampled is large and those advocating a strike constitute over 50%, can we suppose that majority of all steelworkers favour a strike?
What is the probability of selecting 10 production employee at random on a hot summer day and finding that none of them are absent.
in an experiment on mosquito insecticide it is found that 80 are killed during the initial application but those that
the time it takes a printer to print a job is an exponential random variable with the expectation of 12 seconds. you
question a sample of the various prices for a particular product has been conducted in 16 stores which were selected
Solve linear program graphically
The joint cumulative distribution function for (X, Y) is given by F(x, y) = ( 1 - e-x/ID - e-y/l + e-lx+SyJ/I0)/10,001 (x)I10,oodY). a. Find the joint density function of (X, Y).
a clinical trial is run to investigate the effectiveness of an experimental drug in reducing preterm delivery to a drug
recent information published by the u.s. environmental protection agency indicates that honda is the manufacturer of
Refer to the data of Exercise 30 and compute a 95% CI for the difference between true average concentrations for treatments II and III.
Do these data lend support to this belief? Perform a significance test to answer this question. Construct and interpret a 95% confidence interval for the difference in proportions.
Does drug have significant effect on aggression? Use an alpha level of .05, two tails.
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