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A school district wants to know how many students in the district have peanut allergies...

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Algebra

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A school district wants to know how many students in the district have peanut allergies Use a 95 confidence interval to estimate the minimum number of students that need to be surveyed in order to yield results that are normally distributed with a standard deviation of 9 and a margin of error of 0 8 students with peanut allergies Recall the following z scores for each level of confidence 90 1 645 95 1 960 and 99 2 575

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