OpenStax, Introductory Statistics 2e §8.3 A Population Proportion · Exercise 4 · Statistics · Confidence intervals
A Population Proportion · Exercise 4
Suppose the marketing company did do a survey. They randomly surveyed 200 households and found that in 120 of them, the woman made the majority of the purchasing decisions. We are interested in the population proportion of households where women make the majority of the purchasing decisions.
Define the random variables X and in words.
OpenStax, Introductory Statistics 2e · §8.3 A Population Proportion · Exercise 4
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