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 surve 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 Upper Confidence Limit. Round your final answer to four decimal places.

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Author:Amos Gilat
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Data: https://mcs.utm.utoronto.ca/~nosedal/data/cfcs.txt

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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
Upper Confidence Limit. Round your final answer to four decimal places.
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 Upper Confidence Limit. Round your final answer to four decimal places.
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