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) ) ) ) ^Find the minimum sample size you should use to assure that your estimate ofp will be within the required margin oferror around the populat
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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