Lemma
EasyDiscrete distributions
OpenStax, Introductory Business Statistics 2e §4.1 Hypergeometric Distribution · Example 2 · Probability · Discrete distributions

Hypergeometric Distribution · Example 2

TSA officers claim that they randomly select boarding passengers for additional search of carry-on luggage. During the past hour, of the 100 passengers passing through the security point, 5 were silver-haired grandmothers, of which 3 were chosen for additional screening among the 20 total chosen for “enhanced vetting.” Calculate the relevant probability and comment.

~5 minWritten answer · check your work with Lemma

OpenStax, Introductory Business Statistics 2e · §4.1 Hypergeometric Distribution · Example 2

Stuck? A gentle nudge

No hints for this one.

Something off?
Workspace
Your working

Check your full solution

Attach photos of your pages (up to 3) or one PDF — or check what you typed above. Lemma reads the work and verifies the reasoning, not just the answer.

Your first check today doesn't need an account.

Your photos and PDFs are read once and not stored — only the transcription is kept.