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survey showed that 720 of the 1000 adult respondents believe in global warming.

/in /by

1. survey showed that 720 of the 1000 adult respondents believe in global warming.
(a) Construct a 90% confidence interval estimate of the proportion of adults believing in global warming. (Round the lower bound and upper bound of the confidence interval to three decimal places) Include description of how confidence interval was constructed.

(b) Describe the results of the survey in everyday language.

 
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