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darianhaynes
darianhaynes
24.03.2022 • 
Mathematics

Please help!!! Having trouble with this! Edwin conducted a survey to find the percentage of people in an area who smoked regularly. He defined the label “smoking regularly” for males smoking 30 or more cigarettes in a day and for females smoking 20 or more. Out of 635 people who took part in the survey, 71 are labeled as people who smoke regularly.

z equals fraction numerator p with hat on top minus p over denominator square root of begin display style fraction numerator p q over denominator n end fraction end style end root end fraction
Edwin wishes to construct a significance test for his data. He finds that the proportion of chain smokers nationally is 14.1%.

What is the z-statistic for this data? Answer choices are rounded to the hundredths place.

-0.24

-0.03

-2.11

-2.34

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