There were 10 questions (100 points) equal worth with 5 possible answers one of which is correct. Grade A requires a score of more than 85. An over confident student guessed all the questions as best as he/she could. What is his/her probability to get an 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.
There were 10 questions (100 points) equal worth with 5 possible answers one of which is correct. Grade A requires a score of more than 85. An over confident student guessed all the questions as best as he/she could. What is his/her probability to get an A.?
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