4. According to a recent report, 40% of high school students participate in some kind of music program, such as band or choir. A music educator questions this claim. She surveys a random sample of 1,250 high school students and finds that 28% of the students in the sample report participating in a music program. The sample proportion is therefore equal to A. 0.02. B. 0.40. C. 0.28. D. 0.35. E. 0.51.

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