AP StatisticsName:____________________Confidence IntervalsDate:____________Extra PracticeBlock:______Standard:CB.IV.APart IA. Confidence Interval for ProportionsThe city council in a large city has become concerned about the trend toward exclusion of renters withchildren in apartments within the city. To determine the extent of this problem, they selected a randomsample of apartments and determined for each whether or not children would be permitted.Sample Results:37 of the 250 sampled apartments exclude renters with children.Goal:It is desired to estimate the proportion of all apartments in the city that exclude renters withchildren with 95% confidence.A.POPULATIONDetermine the population type (numerical OR categorical).Describe (in words) the population characteristic.B.STATISTICAL METHODHow much confidence is desired?Write the formula for the confidence interval.C.SAMPLEDescribe the sample:oFor numerical data, determine n,X, and s.oFor categorical data, determine n and p.Check that the sample meets the necessary assumptions.From Chapter 9:Introduction to Statistics and Data Analysis, Activities Worksheets