(a)a pen that writes. (b)a blue pen, given that the pen writes. (c)a pen that doesn’t write, given that the pen is black.
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 basket contains some pens as│Writes Doesn’t write│Total shown to the right. If a pen is Blue│ 24 9│ 33 selected from the basket at Black│ 15 4 │ 19random, find the
(a)a pen that writes.
(b)a blue pen, given that the pen writes.
(c)a pen that doesn’t write, given that the pen is black.
(d)a blue pen that doesn’t write.
(e)a blue pen or a pen that doesn’t write.
(f)a black pen or a pen that writes.
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