question archive A few years ago, a very large company conducted a survey regarding the attitude to a total smoking ban in the company's area
A few years ago, a very large company conducted a survey regarding the attitude to a total smoking ban in the company's area
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A few years ago, a very large company conducted a survey regarding the attitude to a total smoking ban in the company's area. Of the 150 randomly selected respondents, 87 were for a total smoking ban. Let p be the true proportion within the company with the same attitude.
The management has thought they knew that the proportion of p for a smoking ban is about 0.8.
Examine with a test at an approximate significance level of 1% how this assumption stands in relation to the examination result. State clearly selected null and alternative hypothesis
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