A research center survey of 2,388 adults found that 1,904 had bought something online. Of these online shoppers, 1,239 are weekly online shoppers. Complete parts (a) through (b) below. a.) Construct a 95% confidence interval estimate of the population proportion of adults who had bought something online. b.) Construct a 95% confidence interval estimate of the population proportion of online shoppers who are weekly online shoppers.
Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
A research center survey of 2,388 adults found that 1,904 had bought something online. Of these online shoppers, 1,239 are weekly online shoppers. Complete parts (a) through (b) below.
a.) Construct a 95% confidence
b.) Construct a 95% confidence interval estimate of the population proportion of online shoppers who are weekly online shoppers.
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