Birthdays The logistic modelP1n2 = 113.31981 + 0.115e0.0912n models the probability that, in a room of n people, no twopeople share the same birthday.(a) Use a graphing utility to graph P = P1n2.(b) In a room of n = 15 people, what is the probability thatno two share the same birthday?
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.
Birthdays The logistic model
P1n2 = 113.3198
1 + 0.115e0.0912n
models the probability that, in a room of n people, no two
people share the same birthday.
(a) Use a graphing utility to graph P = P1n2.
(b) In a room of n = 15 people, what is the probability that
no two share the same birthday?
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