leishaamcnair7894 leishaamcnair7894

05-12-2019
Mathematics

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In a survey, the planning value for the population proportion is p* = 0.35. How large a sample should be taken to provide a 95% confidence interval with a margin of error of 0.05? (Round your answer up to nearest whole number?

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kalsoomtahir1 kalsoomtahir1

08-12-2019

Answer:

350 is the value of population proportion

Step-by-step explanation:

In the survey as

p* = 0.35

confidence interval=95%

E=margin of error = 0.05

[tex]a = [z/E]^2*pq[/tex]

[tex]a=[1.96/0.05]^2*0.35*0.65[/tex] = 350

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