In a national survey college students were asked, "How often do you wear a seat belt when riding in a car driven by someone else?" The response frequencies appear in the table to the right. (a) Construct a probability model for seat-belt use by a passenger. (b) Would you consider it unusual to find a college student who never wears a seat belt when riding in a car driven by someone else?

Response Frequency Never 122 Rarely 311 Sometimes 536 Most of the time 1365 Always 2784

Never

(Round to the nearest thousandth as needed.)

Part 2

Rarely

(Round to the nearest thousandth as needed.)

Part 3

Sometimes

(Round to the nearest thousandth as needed.)

Part 4

Most of the time

(Round to the nearest thousandth as needed.)

Part 5

Always

(Round to the nearest thousandth as needed.)