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A poll question 500 students about their views on pizza for lunch at school. The results indicated at 75% of respondents felt that pizza was

A poll question 500 students about their views on pizza for lunch at school. The results indicated at 75% of respondents felt that pizza was a must for lunch at school and will quit school if there was no pizza at lunch. A) determine the 90% confidence interval? B) What is the margin of error for this response at the 90% confidence level

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