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Question: The average number of annual trips per family to amusement parks in the United States is Poisson distributed, with a mean of 0.6 trips per year. What is the probability of randomly selecting an American family and finding the following?
a. The family did not make a trip to an amusement park last year.
b. The family took exactly one trip to an amusement park last year.
c. The family took two or more trips to amusement parks last year.
d. The family took three or fewer trips to amusement parks over a three-year period.
e. The family took exactly four trips to amusement parks during a six-year period.
When an election for political office takes place, the television networks cancel regular programming and instead, provide election coverage.
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What is this month's process yield? (ii) If particles for which X 350 μm are classi?ed as "?nes" and can be recycled, how much of the material made during this month falls into this category?
The dean of students believes that teh costs are greater this semester. What is the test value for this hypothesis?
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