Suppose a marketing company randomly surveyed 442 households and found that in 252 of them, the woman made the majority of the purchasing decisions. Construct a 95% confidence interval for the population proportion of households where the women make the majority of the purchasing decisions. p' = 82 Za = Margin of Error: E = We are 95% confident that the proportion of households in the population where women make the majority of purchasing decisions is between and

MATLAB: An Introduction with Applications
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Suppose a marketing company randomly surveyed 442 households and found that in 252 of them,
the woman made the majority of the purchasing decisions. Construct a 95% confidence interval for
the population proportion of households where the women make the majority of the purchasing
decisions.
p
a
2
za
Margin of Error: E =
We are 95% confident that the proportion of households in the population where women make the
majority of purchasing decisions is between
and
Transcribed Image Text:Suppose a marketing company randomly surveyed 442 households and found that in 252 of them, the woman made the majority of the purchasing decisions. Construct a 95% confidence interval for the population proportion of households where the women make the majority of the purchasing decisions. p a 2 za Margin of Error: E = We are 95% confident that the proportion of households in the population where women make the majority of purchasing decisions is between and
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