Suppose a marketing company randomly surveyed 259 households and found that in 150 of them, the woman made the majority of the purchasing decisions. Construct a 92% confidence interval for the population proportion of households where the women make the majority of the purchasing decisions. p'= 0.5791506 24/ 0.04 1.750686 Margin of Error: E = 28.17463 We are 92% confident that the proportion of households in the population where women make the majority of purchasing decisions is between x and X

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Suppose a marketing company randomly surveyed 259 households and found that in 150 of them,
the woman made the majority of the purchasing decisions. Construct a 92% confidence interval for
the population proportion of households where the women make the majority of the purchasing
decisions.
p'= 0.5791506
α
%4/2
0.04
= 1.750686
Margin of Error: E = 28.17463
We are 92% confident that the proportion of households in the population where women make the
majority of purchasing decisions is between
x and
X
Transcribed Image Text:Suppose a marketing company randomly surveyed 259 households and found that in 150 of them, the woman made the majority of the purchasing decisions. Construct a 92% confidence interval for the population proportion of households where the women make the majority of the purchasing decisions. p'= 0.5791506 α %4/2 0.04 = 1.750686 Margin of Error: E = 28.17463 We are 92% confident that the proportion of households in the population where women make the majority of purchasing decisions is between x and X
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