The probability that a person in the United States has type

B+ blood is 11%.

Five unrelated people in the United States are selected at random. Complete parts (a) through (d).

(a) Find the probability that all

Five have type B+ blood.

The probability that all five have type B+ blood is

. (round to 6 decimal places as needed

(b) Find the probability that none of the five have type B+

blood. .

(Round to three decimal places as needed.)

(c) Find the probability that at least one of the

Five has type B+blood.

.

(Round to three decimal places as needed.)

(d) Which of the events can be considered unusual? Explain. Select all that apply.

A.

The event in part (b) is unusual because its probability is less than or equal to 0.05.

B.

The event in part (c) is unusual because its probability is less than or equal to 0.05.

C.

The event in part left parenthesis a right parenthesis is unusual because its probability is less than or equal to 0.05Theeventinpart(a)isunusualbecauseitsprobabilityislessthanorequalto0.05.

This is the correct answer.

D.

None of these events are unusual lNoneoftheseeventsareunusual.