Transcription of ch 7 practice test Section 7.2 1) - leemath3000.org
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ch 7 practice test Section 7.2 1) - leemath3000.org
Ch 7 practice testSection the )Find the critical valuez /2 that corresponds to a degree of confidence of 91%.1)A) ) ) ) ^Express the confidence interval in the form ofp ) < p< )A)^p= )^p= )^p= )^p= the )^The following confidence interval is obtained for a population proportion, p:( , )Use these confidence interval limits to find the point estimate,p .3)A) ) ) ) )The following confidence interval is obtained for a population proportion, < p< these confidence interval limits to find the margin of error, )A) ) ) ) the margin of error for the 95% confidence interval used to estimate the population )In a survey of4100 viewers,20% said they watch network news )A) ) ) ) )In a clinical test with2353 subjects,1136 showed improvement from the )A) ) )
Use the given degree of confidence and sample data to construct a confidence interval for the population proportion p. 10) A survey of 865 voters in one state reveals that 408 favor approval of an issue before the legislature.
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