Question: What is the minimal sample size needed for a 95% confidence interval to have a maximal margin of error of 0.1 in the following scenarios?

What is the minimal sample size needed for a 95% confidence interval to have a maximal margin of error of 0.1 in the following scenarios? (For each answer, enter a number. Round your answers up the nearest whole number.)

(a)a preliminary estimate for p is 0.13

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