Five fair coins are tossed. Find the expected number of heads. whats the fraction?

Q: The student council is hosting a drawing to raise money for scholarships. They are selling tickets…

A: According to the provided information, the number of tickets they will sell is 900 and the cost for…

Q: Anya rolls an octahedron labelled A,A,A,B,C,C,C.C. What is the probability the octahedron will land…

A:

Q: Find the probability of getting 4 face cards (king, queen, or jack) when 4 cards are drawn from a…

A: Solution: From the given information, 4 cards are to be drawn from a deck without replacement.

Q: Find the probability of getting  3  face cards (king, queen, or jack) when  3  cards are drawn from…

A:

Q: In a poker hand consisting of 5 cards, find the probability of holding (a) 2 aces; (b) 1 heart and 4…

A: (a) The standard deck consists of 52 cards, in which there would be 4 ace cards and 48 non-ace…

Q: On a camping trip, Helen kept a log of the types of snakes she saw. She noted their colors and…

A:

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.