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Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?

Polynomial that can be factored as (3x-4)(3x+4)