Question
Asked Jan 6, 2020
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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 0.15
 

(b)

 there is no preliminary estimate for p
 
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(a)

The required sample size is calcul...

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