4 aces, 4 other face cards, and 15 non-face cards, and that you randomly draw 3 cards. A random variable ZZ is defined to be 5 times the number of aces plus 4 times the number of other face cards drawn.
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.
This problem involves drawing three cards from a deck of cards. Assume that the deck contains 4 aces, 4 other face cards, and 15 non-face cards, and that you randomly draw 3 cards. A random variable ZZ is defined to be 5 times the number of aces plus 4 times the number of other face cards drawn.
10 values are possible for the random variable Z.
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| Value of Z | Probability |
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