If there are 7 million vehicles registered in Ontario, estimate with 95% confidence the number of vehicles affected by the law (i.e., using CFCs) and interpret the result. Provide the numerical value of the Lower Confidence Limit. Round your final answer to four decimal places.
If there are 7 million vehicles registered in Ontario, estimate with 95% confidence the number of vehicles affected by the law (i.e., using CFCs) and interpret the result. Provide the numerical value of the Lower Confidence Limit. Round your final answer to four decimal places.
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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[Confidence Intervals] How do you solve this?
Data from cfcs_url given in picture
Transcribed Image Text:Chlorouorocarbons (CFCs) are used in air conditioners. However, CFCs damage the ozone layer, which
protects us from the sun's harmful rays. As a result many jurisdictions have banned the production and
use of CFCs. The latest jurisdiction to do so is the province of Ontario, which has banned the use of
CFCs in car and truck air conditioners. However, it is not known how many vehicles will be affected by
the legislation. A survey of 650 vehicles was undertaken. Each vehicle was identified as either using
CFCs (2) or not (1). Dataset is available at
cfcs_url= "https://mcs.utm.utoronto.ca/~nosedal/data/cfcs.txt"
If there are 7 million vehicles registered in Ontario, estimate with 95% confidence the number of
vehicles affected by the law (i.e., using CFCs) and interpret the result. Provide the numerical value of
the Lower Confidence Limit. Round your final answer to four decimal places.
Transcribed Image Text:CFC 2112111111111121111211211121111111
1212111111212222111 112 111 1212111111112111111 121211111211111111
121121111 11111111111121211111211211111
1111111111112212111112211111112111211211111121112111121211111
1111111111111111211111112211121112212121 1 1 1 1 1 1 1 1 1 1 1 2 111 12121112111111111211211111111212211111212111
211121111212211211111122222112111111112112111111111211111112111121221111211111111111111111 121211211
1112112111111111111211112111111111111111121111 12121111111111111111121112111111111211112122121211221
111222111211211211121111211111211111121111111112111212111111111 112 111211121221121121121122112111111
11121111111111121121111111121111111 121211221111111 121211211
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