Ashraf needs to pass in atleast two out of the three tests conducted by an institute to appear for the qualifier exam. The probability of him passing the first test is 1/4 and the succeeding tests is 1/4 or 1/8 depending on whether he passes or not, respectively, in the previous test. What is the chance of his appearing in the qualifier exam? (Answer correct upto 3 decimal places)
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.
Ashraf needs to pass in atleast two out of the three tests conducted by an institute to appear for the qualifier exam. The
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