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QUESTION
A survey showed that 850 of the 1600 adult respondents who live in a household without landline phones.
A survey showed that 850 of the 1600 adult respondents who live in a household without landline phones.
- (a) Construct a 95% confidence interval estimate of the proportion of adults living in a household without landline phones. Include description of how confidence interval was constructed.
- (b) Describe the confidence interval in everyday language.
