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A rainstorm in Portland, Oregon, wiped out the electricity in 10% of the households in the city. Suppose that a random sample of 60 Portland households is taken after the rainstorm.
Answer the following.
(If necessary, consult a list of formulas.)
(a) Estimate the number of households in the sample that lost electricity by giving the mean of the relevant distribution (that is, the expectation of the relevant random variable). Do not round your response.
(b) Quantify the uncertainty of your estimate by giving the standard deviation of the distribution. Round your response to at least three decimal places.
The booked passengers actually arrive for the flight. Estimate the probability that if the company books 170 persons, not enough seats will be available.
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firms often face the problem of allocating an input in fixed supply among different products.find the optimal crude oil
1)Find the margin of error for the given values of C, S, and N. C=0.95, S=3.8, N=64. E=? round 3 decimal places
Identify all the averages (mean, median, or mode) that can be used to summarize the outstanding balance on each account.
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suppose five 6 oz tubes of toothpaste are randomly selected and squeezed until no more toothpaste will come out. then
(a) What is probability that exactly 5 newborns will test positive for HIV?
1. Show that the set R\Q of irrational numbers, with usual topology (relative topology from R), is topologically complete. 2. Define a complete metric for R\{0, 1} with usual (relative) topology.
You pick 2 puzzle pieces (sequentially) on your first draw. Assuming the first piece you picked is not replaced, what is the probability that you would
In one study of 71 smokers who tried to quit smoking with nicotine patch therapy, 32 were not smoking one year after the treatment. Use a 0.10 significance
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