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 41 blended fuels are tested in a lab to ascertain the bio/total carbon ratio. (a) If the true mean is .9550 with a standard deviation of 0.0050, within what interval will 95 percent of the sample means fall? (Round your answers to 4 decimal places.) The interval is from to (b) If the true mean is .9550 with a standard deviation of 0.0050, what is the sampling distribution of X ? 1. Exactly normal with u = .9550 and o = 0.0050. 2. Appreximately normal withp= .9550 and o = 3. Exactly normal with u= ,9550 and o; = 4. Approximately normal with u = .9550 and o = %3D 0.0050. %3D 0.0050/V41. 0.0050 /V41.
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 41 blended fuels are tested in a lab to ascertain the bio/total carbon ratio. (a) If the true mean is .9550 with a standard deviation of 0.0050, within what interval will 95 percent of the sample means fall? (Round your answers to 4 decimal places.) The interval is from to (b) If the true mean is .9550 with a standard deviation of 0.0050, what is the sampling distribution of X ? 1. Exactly normal with u = .9550 and o = 0.0050. 2. Appreximately normal withp= .9550 and o = 3. Exactly normal with u= ,9550 and o; = 4. Approximately normal with u = .9550 and o = %3D 0.0050. %3D 0.0050/V41. 0.0050 /V41.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 2AGP
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Transcribed Image Text: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 41 blended fuels are tested in a lab to ascertain the bio/total
carbon ratio.
(a) If the true mean is .9550 with a standard deviation of 0.0050, within what interval will 95 percent of the sample means fall? (Round
your answers to 4 decimal places.).
The interval is from
to
(b) If the true mean is .9550 with a standard deviation of 0.0050, what is the sampling distribution of X ?
1. Exactly normal with u =.9550 and o
2. Approximately normal with u = .9550 and o = 0.0050.
3. Exactly normal with u = .9550 and o,
4. Approximately normal with u = .9550 and o = 0.0050//41.
0.0050.
0.0050 /V41.
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