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Mathematics, 15.12.2020 15:40 Rocko420
(1 point) Find the size of the sample needed to estimate the difference between the proportions of boys and girls under 10 years old who are afraid of spiders. Assume that we want 9595% confidence that the error is smaller than 0.03.
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(1 point) Find the size of the sample needed to estimate the difference between the proportions of b...
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