Review practice
Choose a section to work through its questions and solutions. Your progress is shared across pages. Ranges follow collection order; original source labels are kept on each question.
Section 1 · Questions 1–6
Estimate emissions mean and variance from test data · Define a random sample and use shifted totals · +4 more
- Question 1 · Estimate emissions mean and variance from test data
- Question 2 · Define a random sample and use shifted totals
- Question 3 · Approximate a binomial sample mean and track its endpoints
- Question 4 · Distinguish a binomial tail from a CLT mean tail
- Question 5 · Find a binomial game limit and a daily-average probability
- Question 6 · Align clock times before comparing normal travel times
Section 2 · Questions 7–10
Infer a normal standard deviation from symmetric tail areas · Recover normal parameters and combine independent masses · +2 more