multiple choice test consists of 90 questions. Each question has 5 possible answers of which one is correct. If all answers are random guesses, estimate the probability of getting at least 10 questions correct.
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.
A multiple choice test consists of 90 questions. Each question has 5 possible answers of which one is correct. If all answers are random guesses, estimate the probability of getting at least 10 questions correct. Round to the nearest thousandth.
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