9 min read
This study guide covers sample proportions, including their definition and when to use them. It emphasizes the Large Counts Condition for using normal distribution, along with its formula and importance. The guide connects proportions to confidence intervals, hypothesis testing, and sampling distributions. It provides practice problems and multiple-choice questions, focusing on calculating sample proportions, checking conditions, and constructing confidence intervals. Finally, it highlights high-priority topics for the AP Statistics exam, common question types, time management strategies, and common pitfalls.
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Question 1 of 8
In a survey of 200 students, 120 prefer pizza over burgers. What is the sample proportion of students who prefer pizza? 🍕
0.40
0.50
0.60
0.70