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A polling company reported that 27% of 2286 surveyed adults said that they play football.
a. What is the exact value that is 27% of 2286
b. Could the results from part a. be the actual number of adults who played football?
c. What could be the actual number of adults who play football could be ?
d. Among the 2286 repondents, 1479 said they only play hockey. What percentage of respondents said they only play hockey?
A car dealership is worried that Hondas are getting lower sales than Hyundai. Two independent random samples have been selected 630 observations from population 1 (Hondas) and 610 from population 2 (Hyundai).
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WNAE, an AM station totally dedicated to deliver news, found that while the Distribution of listeners tune in the station follows the normal Distribution.
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At a board meeting of 20 businessmen, all of whom wear ties, what is the probability that:
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Twelve cases of leukemia are reported in people living in a particular census tract over a 5-year period. Is this number of cases abnormal if only 6.7 cases would be expected based on national cancer-incidence rates?
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