A sample of forty people was asked what type of fruit they had eaten the previous day. Four people answered apples only, fifteen people answered oranges and twelve people answered strawberries. Six people ate strawberries only. Eight people answered apples and oranges only. Three people answered oranges and strawberries. Two people ate all three types of fruit. Use a Venn Diagram to answer these questions after reading. a. How many people ate apples? _________ b. How many people ate at least two of these fruits that day? _________
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 sample of forty people was asked what type of fruit they had eaten the previous day. Four people answered apples only, fifteen people answered oranges and twelve people answered strawberries. Six people ate strawberries only. Eight people answered apples and oranges only. Three people answered oranges and strawberries. Two people ate all three types of fruit.
Use a Venn Diagram to answer these questions after reading.
a. How many people ate apples? _________
b. How many people ate at least two of these fruits that day? _________
According to the given information the Venn Diagram can be drawn as,
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