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Mathematics, 24.03.2021 19:30 charliesteioff14
Concerns about the climate change and CO2 reduction have initiated the commercial production of blends of biodiesel (e. g. from renewable sources) and petrodiesel (from fossil fuel). Random samples of 34 blended fuels are tested in a lab to ascertain the bio/total carbon ratio.(a) If the true mean is 0.9370 with a standard deviation of 0.0090 within what interval will 99% of the sample means fail?(b) If the true mean 0.9370 with a standard deviation of 0.0090, what is the sampling distribution of ¯X?
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