There are only 3 parts In a multiple choice quiz there are 5 questions and 4 choices for each question. Robin has not studied for the quiz at all and decides to randomly guess the answers. Find the following probabilities (a) The first questions she gets right is the 3rd question (b) She gets exactly 3 or exactly 4 questions right (c) She gets the majority of the questions right
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.
There are only 3 parts
In a multiple choice quiz there are 5 questions and 4 choices for each question. Robin has not studied for the quiz at all and decides to randomly guess the answers. Find the following
(a) The first questions she gets right is the 3rd question
(b) She gets exactly 3 or exactly 4 questions right
(c) She gets the majority of the questions right
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