40 - Box A contains 11 balls with numbers from 1 to 11 and box B contains 7 balls with numbers from 1 to 7. A random box and a random ball are selected from the box. If it is known that the number in the selected ball is an odd number, what is the probability that this ball will come from box B? A) 0.46 B) 0.49 C) 0.54 D) 0.51
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.
40 - Box A contains 11 balls with numbers from 1 to 11 and box B contains 7 balls with numbers from 1 to 7. A random box and a random ball are selected from the box. If it is known that the number in the selected ball is an odd number, what is the probability that this ball will come from box B?
A) 0.46
B) 0.49
C) 0.54
D) 0.51
E) 0.42
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