Suppose there are two full bowls of cookies. Bowl #1 has 10 chocolate chip and 20 oatmeal, while bowl #2 has 20 chocolate chip cookies and 10 oatmeal cookies. Our friend Bob picks a bowl at random, and then picks a cookie at random. We may assume there is no reason to believe Bob treats one bowl differently from another, likewise for the cookies. The cookie turns out to be an oatmeal cookie. How probable is it that Bob picked it out of Bowl #2?

Q: I want to confirm if my answers to this problem are correct.

A: Independent events are an important concept in inferential statistics.

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Q: Suppose there are two full bowls of cookies. Bowl #1 has 20 chocolate chip and 10 oatmeal, while…

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A: Solution

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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.