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 33 blended fuels are tested in a lab to ascertain the bio/total carbon ratio. (a) If the true mean is .9560 with a standard deviation of 0.0020, within what interval will 99 percent of the sample means fall? (Round your answers to 4 decimal places.) The interval is from to (b) If the true mean is .9560 with a standard deviation of 0.0020, what is the sampling distribution of 1. Exactly normal with u = .9560 and o = 0.0020. 2. Approximately normal withu = .9560 and o = 0.0020. 3. Exactly normal with u = .9560 and 0z = 0.0020 //33. 4. Approximately normal with u = .9560 and 0.0020 /V33.

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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 33 blended fuels are tested in a lab to ascertain the bio/total
carbon ratio.
(a) If the true mean is .9560 with a standard deviation of 0.0020, within what interval will 99 percent of the sample means fall? (Round
your answers to 4 decimal places.)
points
eBook
The interval is from
Hint
to
Ask
Print
(b) If the true mean is .9560 with a standard deviation of 0.0020, what is the sampling distribution of
References
1. Exactly normal with u = .9560 and o = 0.0020.
2. Approximately normal with u = .9560 and o = 0.0020.
3. Exactly normal with u = .9560 and
= 0.0020//33.
%3D
4. Approximately normal with u = .9560 and
Oz = 0.0020 /V33.
01
2.
03
4.
Mc
Graw
Education
< Prev
1 of 10
Next >
微。
Transcribed Image Text:1 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 33 blended fuels are tested in a lab to ascertain the bio/total carbon ratio. (a) If the true mean is .9560 with a standard deviation of 0.0020, within what interval will 99 percent of the sample means fall? (Round your answers to 4 decimal places.) points eBook The interval is from Hint to Ask Print (b) If the true mean is .9560 with a standard deviation of 0.0020, what is the sampling distribution of References 1. Exactly normal with u = .9560 and o = 0.0020. 2. Approximately normal with u = .9560 and o = 0.0020. 3. Exactly normal with u = .9560 and = 0.0020//33. %3D 4. Approximately normal with u = .9560 and Oz = 0.0020 /V33. 01 2. 03 4. Mc Graw Education < Prev 1 of 10 Next > 微。
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