Math 240

(AT 240: Applied Statistics home > sis test for the difference between two population proportions zyBooks catalog ENGE ITY 8.2.2: Hypothesis testing for two population proportions (right-tailed z-test). Start A city council is trying to determine if library B, with extended hours, has a higher proportion of patrons under the age of 18 than library A, which closes at 6:00 pm. A random sample of patrons from both libraries are checked. The results of the data collected are shown below. Library A Library B Successes 56 Successes 97 Observations 150 Observations 200 p-hat_1 0.373 p-hat_2 0.485 Confidence Level 95% P = Ex: 1.234 z-score 2.091 p-value 0.0183 -3 -2 -1 0 1 2 z = Ex: 1.234 Library A patrons: m1 = Ex: 9 Library B patrons: n2 = Sample proportion for library A patrons: p1 = Ex: 1.234 Sample proportion for library B patrons: p2 =