Mathematics, 31.03.2021 21:20 danleaz01
An economist conducts a nationwide survey to study the financial perceptions of US adults. Specifically, he asks a random sample of 1,000 US adults: âFinancially, are you doing OK or are you struggling to get by?â The results of the survey show that 829 of the 1,000 participants said they are doing OK. Construct a 95% confidence interval for the proportion of US adults who would say they are doing OK.
Answers: 1
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= 1/3 and 0 < â
< Ď/2 ; find tan2â
a. (4â2)/9 b. 9/7 c. (4â2)/7 d.7/9
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An economist conducts a nationwide survey to study the financial perceptions of US adults. Specifica...
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