Assume that the drawer contains 9 coins: 4 quarters, 1 dimes, and 4 nickels. One coin is randomly selected. What is the expected value of the coin selected (in cents)?

Q: In the game of​ roulette, a player can place a ​$5bet on the number 2 and have a 138 probability of…

A: Assume that x is the net amount to the player from the game.

Q: In a bag there are 8 red balls,  and 2 pink balls.  You pay 3 dollars to draw 2 balls.  If you draw…

A: Using the given information we make a table. Winning amount ($)              (x) Outcomes…

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.