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SmokeyRN
22.07.2019 •
Mathematics
Aleading medical journal claims that 68% of high school students experience anxiety just before an exam. a school counselor wants to conduct a survey to verify this with the students in her school and wants to do so with a margin of error (me) of ±7%. what minimum sample size, rounded to the nearest whole person, does the counselor need to use? hint: me equals plus or minus two times square root of start fraction p hat left parenthesis one minus p hat right parenthesis over n end fraction end square root, where p hat is the yes proportion in the sample and n is the sample size. n ≥ 175 n ≥ 178 n ≥ 200 n ≥ 262
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