AmelahE755015 AmelahE755015

28-10-2022
Mathematics

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What is the margin of error for 95% confidence for a sample of size 325 where p = 0.25

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MarcelU110168 MarcelU110168

28-10-2022

We have to find the margin of error for a 95% confidence for a sample of size n = 325 and where we know the value of the proportion (p = 0.25 in this case).

We can express the margin of error E as:

[tex][/tex]

For a 95% confidence, the corresponding value of z is z = 1.96.

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