In a national survey conducted by the centers for Disease Control to determine c
ID: 2960125 • Letter: I
Question
In a national survey conducted by the centers for Disease Control to determine college sutdents health-risk behaviors, college students were asked, "How often do you wash your hands after using the restroom?" The frequencies appear in the table above. Construct a probability model for hand washing after using the restroom. Is is usual for a college student to never wash their hands after using the rest room? Explain your reasoning.
Reponse 115 Rarely 269 Sometimes 451 Most of the Time 1234 Always 2621Explanation / Answer
I assume the 115 is never. So we have Never 115/4690= 0.025 Rarely 269/4690= 0.057 Sometimes 451/4690= 0.096 Mostly 1234/4690 0.263 Always 2621/4690= 0.559 Unusual is usually defined as less than .05, so yes it is unusual.
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