Lemma
EasyDiscrete distributions
OpenStax, Statistics §4.1 Probability Distribution Function (PDF) for a Discrete Random Variable · Try It 2 · Probability · Discrete distributions

Probability Distribution Function (PDF) for a Discrete Random Variable · Try It 2

Jeremiah has basketball practice two days a week. 90 percent of the time, he attends both practices. Eight percent of the time, he attends one practice. Two percent of the time, he does not attend either practice. What is X and what values does it take on?

~5 minWritten answer · compare with the solution

OpenStax, Statistics · §4.1 Probability Distribution Function (PDF) for a Discrete Random Variable · Try It 2

Stuck? A gentle nudge

No hints for this one.

Something off?
Workspace
Your working

Check your full solution

Upload photos of your handwritten work or a PDF, and Lemma will read it and tell you whether it's right — and where it first goes wrong if not.