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 46 blended fuels are tested in a lab to ascertain the bio/total carbon ratio. A) if the true mean is .9400 with a standard deviation of .0030, within what interval will 90 percent of the sample means fall? (Round your answers to 4 decimal places)

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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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 46 blended fuels are tested in a lab to ascertain the bio/total carbon ratio. A) if the true mean is .9400 with a standard deviation of .0030, within what interval will 90 percent of the sample means fall? (Round your answers to 4 decimal places)
1
Concerns about climate change and CO, reduction have initiated the commercial production of blends of biodiesel (e.g., from
renewable sources) and petrodiesel (from fossil fuel). Random samples of 46 blended fuels are tested in a lab to ascertain the bio/total
carbon ratio.
(a) If the true mean is .9400 with a standard deviation of 0.0030, within what interval will 90 percent of the sample means fall? (Round
your answers to 4 decimal places.)
The interval is from
0.4390 to
0.4390
Book
Transcribed Image Text:1 Concerns about climate change and CO, reduction have initiated the commercial production of blends of biodiesel (e.g., from renewable sources) and petrodiesel (from fossil fuel). Random samples of 46 blended fuels are tested in a lab to ascertain the bio/total carbon ratio. (a) If the true mean is .9400 with a standard deviation of 0.0030, within what interval will 90 percent of the sample means fall? (Round your answers to 4 decimal places.) The interval is from 0.4390 to 0.4390 Book
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