This Confidence Intervals for a Proportion Real World Applications resource will engage your students and give them fluency with confidence intervals. In this activity your students practice finding confidence intervals for a proportion given n, x, and the level of confidence. Students can do these problems by hand or use a graphing calculator. What's included? 12 Task Cards designed to reinforce the concepts taught in class. The illustrated cards include 90, 95, 98, and 99% confidence interv