Suppose that you have a bag containing 10 balls numbered from 0 to 9. You draw 3 of them randomly without replacement and note the result as a 3−digit number. (a) What is the probability that your number contains only even digits or that the first ball you draw is a one? (b) What is the probability the number you get has at least 1 odd digit and does not start with a 1?
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.
Suppose that you have a bag containing 10 balls numbered from 0 to 9. You draw 3 of them randomly
without replacement and note the result as a 3−digit number.
(a) What is the probability that your number contains only even digits or that the first ball you draw is
a one?
(b) What is the probability the number you get has at least 1 odd digit and does not start with a 1?
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