Mathematics, 23.08.2021 05:20, awh1088

Concerns about 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 41 blended fuels are tested in a lab to ascertain the bio/total carbon ratio. (a) If the true mean is .9220 with a standard deviation of 0.0060, within what interval will 90 percent of the sample means fall? (Round your answers to 4 decimal places.)

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Concerns about climate change and CO2 reduction have initiated the commercial production of blends o...