F. R 3 w/ You work for a marketing firm that has a large client in the automobile industry. You have been asked to estimate the proportion of households in Chicago that have two or more vehicles. You have been assigned to gather a random sample that could be used to estimate this proportion to within a 0.025 margin of error at a 80% level of confidence. a) With no prior research, what sample size should you gather in order to obtain a 0.025 margin of error? Round your answer up to the nearest whole number. households = u b) Your firm has decided that your plan is too expensive, and they wish to reduce the sample size required. You conduct a small preliminary sample, and you obtain a sample proportion of p = information. what sample size should you gather in order to obtain a 0.025 margin of error? Round your answer up to the nearest whole number. 0.23. Using this new households > Next Question MacBook Pro TRIAL 田 %23 2$ 2 5. 9- S

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F.
R
3
w/
You work for a marketing firm that has a large client in the automobile industry. You have been asked to
estimate the proportion of households in Chicago that have two or more vehicles. You have been assigned to
gather a random sample that could be used to estimate this proportion to within a 0.025 margin of error at a
80% level of confidence.
a) With no prior research, what sample size should you gather in order to obtain a 0.025 margin of error?
Round your answer up to the nearest whole number.
households
= u
b) Your firm has decided that your plan is too expensive, and they wish to reduce the sample size required.
You conduct a small preliminary sample, and you obtain a sample proportion of p =
information. what sample size should you gather in order to obtain a 0.025 margin of error? Round your
answer up to the nearest whole number.
0.23. Using this new
households
> Next Question
MacBook Pro
TRIAL
田
%23
2$
2
5.
9-
S
Transcribed Image Text:F. R 3 w/ You work for a marketing firm that has a large client in the automobile industry. You have been asked to estimate the proportion of households in Chicago that have two or more vehicles. You have been assigned to gather a random sample that could be used to estimate this proportion to within a 0.025 margin of error at a 80% level of confidence. a) With no prior research, what sample size should you gather in order to obtain a 0.025 margin of error? Round your answer up to the nearest whole number. households = u b) Your firm has decided that your plan is too expensive, and they wish to reduce the sample size required. You conduct a small preliminary sample, and you obtain a sample proportion of p = information. what sample size should you gather in order to obtain a 0.025 margin of error? Round your answer up to the nearest whole number. 0.23. Using this new households > Next Question MacBook Pro TRIAL 田 %23 2$ 2 5. 9- S
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