In a survey of 3,784 adults concerning complaints about restaurants, 1,532 complained about dirty or ill-equipped bathrooms and 1,183 complained about loud or distracting diners at other tables.
a) Construct a 90% confidence interval estimate of the population proportion of adults who complained about dirty or ill-equipped bathrooms.
b) Construct a 90% confidence interval estimate of the population proportion of adults who complained about loud or distracting diners at other tables.
We know that the 90% confidence interval for population proportion is given by:
a)
Confidence interval estimate of the population proportion of adults who complained about dirty or ill-equipped bathrooms:
b)
Confidence interval estimate of the population proportion of adults who complained about loud or distracting diners at other tables:
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