Analysis of bottle water. Is the bottle water you are drinking really purified water? A study of various brands of bottled water conducted by the Natural Resources Defence Council found that 25% of bottled water is just tap water packaged in a bottle (www.nrcd.org). Consider a sample of five bottle - water brands, let x equal the number of these brands that use tap water. b. Find P ( x = 3)
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.
Analysis of bottle water. Is the bottle water you are drinking really purified water? A study of various brands of bottled water conducted by the Natural Resources Defence Council found that 25% of bottled water is just tap water packaged in a bottle (www.nrcd.org). Consider a sample of five bottle - water brands, let x equal the number of these brands that use tap water.
b. Find P ( x = 3)
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