Lemma
EasyDiscrete distributions
OpenStax, Statistics §4.4 Geometric Distribution (Optional) · Try It 4 · Probability · Discrete distributions

Geometric Distribution (Optional) · Try It 4

The probability of a defective steel rod is.01. Steel rods are selected at random. Find the probability that the first defect occurs on the ninth steel rod. Use the TI-83+ or TI-84 calculator to find the answer.

~5 minWritten answer · check your work with Lemma

OpenStax, Statistics · §4.4 Geometric Distribution (Optional) · Try It 4

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.