Mathematics, 25.04.2020 05:12 allymally12325
The Pew Forum on Religion and Public Life reported on Dec. 9, 2009, that in a survey of 2003 American adults, 25% said they believed in astrology. a. Calculate and interpret a confidence interval at the 99% confidence level for the proportion of all adult Americans who believe in astrology. b. W
Answers: 1
, and a confidence level of 
, we have the following confidence interval of proportions.
.
, z is the value of Z that has a pvalue of 
, so 
.
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The Pew Forum on Religion and Public Life reported on Dec. 9, 2009, that in a survey of 2003 America...
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