Each day, Monday through Saturday, a baker bakesthree large chocolate cakes, and those not sold on thesame day are given away to a food bank. Use the datashown in the following table to test at the 0.05 level ofsignificance whether they may be looked upon as valuesof a binomial random variable: Number of Number ofcakes sold days0 11 162 553 228
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.
Each day, Monday through Saturday, a baker bakes
three large chocolate cakes, and those not sold on the
same day are given away to a food bank. Use the data
shown in the following table to test at the 0.05 level of
significance whether they may be looked upon as values
of a binomial random variable:
Number of Number of
cakes sold days
0 1
1 16
2 55
3 228
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