The probabilities are 0.40, 0.50, and 0.10 that, in citydriving, a certain kind of compact car will average lessthan 28 miles per gallon, from 28 to 32 miles per gallon,or more than 32 miles per gallon. Find the probabilitythat among 10 such cars tested, 3 will average less than28 miles per gallon, 6 will average from 28 to 32 miles pergallon, and 1 will average more than 32 miles per gallon.
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.
The probabilities are 0.40, 0.50, and 0.10 that, in city
driving, a certain kind of compact car will average less
than 28 miles per gallon, from 28 to 32 miles per gallon,
or more than 32 miles per gallon. Find the probability
that among 10 such cars tested, 3 will average less than28 miles per gallon, 6 will average from 28 to 32 miles per
gallon, and 1 will average more than 32 miles per gallon.
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