Suppose a mail carrier must deliver 10 different letters, one to each house on the same street. The 10 letters have only the street name and not the house number, so he delivers them at random, one to each house. In how many ways can he deliver them so at least one house gets the correct letter? You may use an approximation rounded to the nearest whole number for this answer.
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.
Suppose a mail carrier must deliver 10 different letters, one to each house on the same street. The 10 letters have only the street name and not the house number, so he delivers them at random, one to each house.
In how many ways can he deliver them so at least one house gets the correct letter?
You may use an approximation rounded to the nearest whole number for this answer.
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