An internet research company surveyed online shoppers, each of whom made one purchase today. The company recorded the type of purchase each shopper made. Here is a summary. Type of purchase Number of shoppers Food 18 Clothing 25 Beauty supplies 40 Electronics 12 Three shoppers from the survey are selected at random, one at a time without replacement. What is the probability that none of the three shoppers purchased food? Do not round your intermediate computations. Round your final answer to three decimal places.
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.
An internet research company surveyed online shoppers, each of whom made one purchase today.
The company recorded the type of purchase each shopper made. Here is a summary.
Type of purchase Number of shoppers
Food 18
Clothing 25
Beauty supplies 40
Electronics 12
Three shoppers from the survey are selected at random, one at a time without replacement. What is the
probability that none of the three shoppers purchased food?
Do not round your intermediate computations. Round your final answer to three decimal places.
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