2. A group of 5 friends each scheduled with second dose of a Covid vaccine for a day in July. If each of the 31 days in July was equally likely to be selected by each of the friends, what is the probability that at least two of the friends have their vaccine on the same day?
2. A group of 5 friends each scheduled with second dose of a Covid vaccine for a day in July. If each of the 31 days in July was equally likely to be selected by each of the friends, what is the probability that at least two of the friends have their vaccine on the same day?
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 9ECP: A random number generator selects two integers from 1 to 30. What is the probability that both...
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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.
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