The yearbook committee polled 80 randomly selected students from a class of 320 ninth graders to see if they would be willing to pay more for a yearbook if their names were printed on the front. Of the students who were surveyed, 26 of them said they would be willing to pay extra.

The survey found that 26 out of 80 students would pay extra, so the estimated proportion is 26 ÷ 80 = 0.325. Applying this proportion to all 320 ninth graders gives 0.325 × 320 = 104 students. That estimate is 104 ÷ 320 = 0.325, or 32.5% of the class; however, none of the choices matches. The choices appear to ask for something else or contain an error.

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