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Concerns about climate change and CO, reduction have Inltlated the commerclal production of blends of blodlesel (e.g., from renewable sources) and petrodlesel (from fossil fuel). Random samples of 48 blended fuels are tested In a lab to ascertaln the blo/total carbon ratlo. (a) If the true mean Is .9050 with a standard devlation of 0.0100, within what Interval wll 90 percent of the sample means fall? (Round your answers to 4 decimal places.) The interval is from to (b) If the true mean Is .9050 with a standard devlation of 0.0100, what Is the sampling distributlon of X ? 1. Exactly normal with u = 9050 and o = 0.0100. 2. ApproxImately normal with u = ,9050 and o = 0.0100. 3. Exactly normal with u = .9050 and o,= 4. Approximately normal withp=9050 and o, = 0.0100/V48. 0.0100/V48. 01 2. 3.

Concerns about climate change and CO, reduction have Inltlated the commerclal production of blends of blodlesel (e.g., from renewable sources) and petrodlesel (from fossil fuel). Random samples of 48 blended fuels are tested In a lab to ascertaln the blo/total carbon ratlo. (a) If the true mean Is .9050 with a standard devlation of 0.0100, within what Interval wll 90 percent of the sample means fall? (Round your answers to 4 decimal places.) The interval is from to (b) If the true mean Is .9050 with a standard devlation of 0.0100, what Is the sampling distributlon of X ? 1. Exactly normal with u = 9050 and o = 0.0100. 2. ApproxImately normal with u = ,9050 and o = 0.0100. 3. Exactly normal with u = .9050 and o,= 4. Approximately normal withp=9050 and o, = 0.0100/V48. 0.0100/V48. 01 2. 3.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Concerns about climate change and CO, reduction have Initlated the commerclal production of blends of blodlesel (e.g., from renewable sources) and petrodlesel (from fossil fuel). Random samples of 48 blended fuels are tested In a lab to ascertaln the blo/total carbon ratlo. (a) If the true mean Is .9050 with a standard devlation of 0.0100, within what Interval will 90 percent of the sample means fall? (Round your answers to 4 decimal places.) The interval is from to (b) If the true mean Is .9050 with a standard devlatlon of 0.0100, what Is the sampling distributlon of X ? 1. Exactly normal with p = 9050 and o = 0.0100. 2 ApproxImately normal with u = .9050 and o = 0.0100. 3. Exactly normal with u = .9050 and o, 4. Approximately normal with u = .9050 and o, 0.0100/V48. 0.0100 /V48. 01 03
Transcribed Image Text:Concerns about climate change and CO, reduction have Initlated the commerclal production of blends of blodlesel (e.g., from renewable sources) and petrodlesel (from fossil fuel). Random samples of 48 blended fuels are tested In a lab to ascertaln the blo/total carbon ratlo. (a) If the true mean Is .9050 with a standard devlation of 0.0100, within what Interval will 90 percent of the sample means fall? (Round your answers to 4 decimal places.) The interval is from to (b) If the true mean Is .9050 with a standard devlatlon of 0.0100, what Is the sampling distributlon of X ? 1. Exactly normal with p = 9050 and o = 0.0100. 2 ApproxImately normal with u = .9050 and o = 0.0100. 3. Exactly normal with u = .9050 and o, 4. Approximately normal with u = .9050 and o, 0.0100/V48. 0.0100 /V48. 01 03
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