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Mathematics, 10.12.2020 16:50, jameskatzfeystu70
It is claimed that the proportion of people who favor the use of oxygenated fuels year around to reduce air pollution is 60%. A pollster believes this proportion to be actually higher than 60%. She polls a random sample of 500 registered voters and finds out that 315 of them favor the use of oxygenated fuels. At level of significance 0.09, what is her conclusion?
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Mathematics, 22.06.2019 00:00, jonmorton159
Need plz been trying to do it for a long time and still havenβt succeeded
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