Mathematics · Probability and Statistics
At a large high school, 300 students were selected at random and were asked in a survey about a menu change in the school cafeteria. All 300 students completed the survey. It was estimated that 38% of the students were in support of a menu change, with a margin of error of 5.5%. Which of the following is the best interpretation of the survey results?
- 1Plausible values of the number of the students at the school who support a menu change are between 295 and 305.
- 2Plausible values of the percent of the students at the school who support a menu change are between 32.5% and 43.5%.✓
- 3The percent of the students at the school who support a menu change is greater than 38%.
- 4The percent of the students at the school who support a menu change is exactly 38%.
Correct answer
Plausible values of the percent of the students at the school who support a menu change are between 32.5% and 43.5%.
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