Research question: Is the proportion of World Campus STAT 200 students who are Pennsylvania residents different from 0.50? Data were collected from a random sample of 50 students at the beginning of the Fall 2016 semester. Statistical software was used to conduct a one sample proportion z test: 1-Sample Proportion: PA Method Event: PA = Yes p: proportion where PA = Yes Normal approximation is used for this analysis Descriptive Statistics N Event Sample p 95% CI for p 50 19 0.38 (0.245, 0.515) Test Z-Value P-Value -1.70 0.0897 At the 0.05 alpha level we should [ Select ] the null hypothesis. There [ Select ] that the population proportion is different from 0.50