2026, Question 3 · Focus on Probability and Sampling Distributions · 4 points
How long a team song performance lasts
Find a normal probability for one performance, use it in a binomial probability over ten games, then find and interpret the mean and standard deviation of the wait for the first long performance.
This exam had six free-response questions, each scored from 0 to 4. Its Question 6, the Investigative Task, is no longer part of the exam. The current exam has 4 free-response questions in 90 minutes. The skills these questions practice still count.
Not in the current course. Part C uses the geometric distribution, which the current course no longer includes.
Lessons this question draws on
1 Read the question
The question is College Board's, from the 2026 exam. It starts on page 6 of the PDF.
2 Write your answer
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Scoring guidelines (PDF, page 11)
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