e past month, the 500 customers have downloaded the following number of songs from WalMart's website (obviously, they have had more, but we need to use workable numbers): 133 customers downloaded 2 songs, 106 customers downloaded 5 songs, 193 downloaded 8 songs, and the remaining customers downloaded 10 songs. What is the average number of songs downloaded by a customer? (please round your answer to 2 decimal places)

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Q: Mr Hudson, the principal at Hoover High School, counted 31 seniors absent on Senior Skip Day. if…

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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.