U6.8 Two-Proportion z-Interval
Construct and interpret a two-proportion z-CI for the difference p_1 − p_2. Verify conditions in both samples. Use the interval to assess whether two proportions differ.
What you'll do in this lesson
A voice-first session with the Crimsora tutor on U6.8 Two-Proportion z-Interval, then targeted practice and FRQs — with the tutor adapting to where you get stuck.