# The probability that a person in the United States has Type B+ blood is 8%. Four unrelated people in the United States are selected at random. Complete parts (a) through (d).(a) Find the probability that all four have type B+ blood.(b) Find the probability none have B+ blood.(c) Find the probability that one of the four have B+ blood.(d) Which of the events can be considered unusual? Explain.

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

(a) Find the probability that all four have type B+ blood.

(b) Find the probability none have B+ blood.

(c) Find the probability that one of the four have B+ blood.

(d) Which of the

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