Sales A manufacturer makes two models of an item:model I, which accounts for 80% of unit sales, andmodel II, which accounts for 20% of unit sales. Because of defects, the manufacturer has to replace (orexchange) 10% of its model I and 18% of its model II. Ifa model is selected at random, find the probability that itwill be defective.
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.
Sales A manufacturer makes two models of an item:
model I, which accounts for 80% of unit sales, and
model II, which accounts for 20% of unit sales. Because of defects, the manufacturer has to replace (or
exchange) 10% of its model I and 18% of its model II. If
a model is selected at random, find the probability that it
will be defective.
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