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69 points possible 6/10 answered Question 4 A Senator from Illinois is interested to estimate the proportion of Chicago residents who will vote for her in the upcoming election. You have been assigned to find out what sample size is needed to estimate this proportion to a 0.02 margin of error at a 99% level of confidence. The previous year, you find out that a sample proportion of $\hat{p} = 0.43$ voted for her. Using this information, what sample size should you gather in order to obtain a 0.02 margin of error? Round your answer up to the nearest whole number. n =

          69 points possible 6/10 answered
Question 4
A Senator from Illinois is interested to estimate the proportion of Chicago residents who will vote for her in
the upcoming election. You have been assigned to find out what sample size is needed to estimate this
proportion to a 0.02 margin of error at a 99% level of confidence. The previous year, you find out
that a sample proportion of $\hat{p} = 0.43$ voted for her. Using this information, what sample size should you
gather in order to obtain a 0.02 margin of error? Round your answer up to the nearest whole number.
n =

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69 points possible 6/10 answered
Question 4
A Senator from Illinois is interested to estimate the proportion of Chicago residents who will vote for her in
the upcoming election. You have been assigned to find out what sample size is needed to estimate this
proportion to a 0.02 margin of error at a 99% level of confidence. The previous year, you find out
that a sample proportion of p̂ = 0.43 voted for her. Using this information, what sample size should you
gather in order to obtain a 0.02 margin of error? Round your answer up to the nearest whole number.
n =

Added by M-Nica A.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Supreeta N

07/05/2023

Step 1

E = z * sqrt(p-hat*(1 - p-hat)/n), so n = p-hat*(1 - p-hat) * (z / E)^2. Show more…

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Question 4 A Senator from lllinois is Interested to estimate the proportion of Chicago residents who will vote for her in the upcoming election. You have been assigned to find out what sample size is needed to estimate this proportion to within a 0.02 margin of error at a 99% level of confidence. The previous year, you find out that,a sample proportion(p)=0.43 voted for her. Using this information. What sample size should you guther in order to obtain a 0.02 margin of error? Round your answer up to the nearest whole number. n= ◻ 69 points possible Question 4 ASenato ilinois is terested to estimate the proportion of Chicago residents who will vote for her In the upcoming on.You have been assigned to find out what sample size is needed to estimate this proportion te 0.0z margin of error at a 99% level of confidence.The previous year,you find out thata samp Ion of p= 0.43 voted for her.Using this information.what sample size should you Pather in ord in a 0.02 margin of error? Round your answer up to the nearest whole number >NextQuestion

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