About 46% of people have type O blood. Suppose you select two people at random a

Question

About 46% of people have type O blood. Suppose you select two people at random and check whether they have type O blood. a. Complete the table below to show all possible results. Round the answers to four decimal places Second person Not o Tota First person Not O Total 1.0000 b. What is the probability that exactly one of the two people has type O blood? | P(exactly one of the people has type o c. Make a tree diagram that illustrates the situation t O Not O Not O at Not O Not O No, o Diagram 1 Diagram 2 Diagram 3 Choose the correct graph number from the table above

Explanation / Answer

a)

b)

P(exactly on person with type O)=0.2484+0.2484=0.4968

c)

diagram 2 is correct

O not O Total O 0.2116 0.2484 0.46 not O 0.2484 0.2916 0.54 Total 0.46 0.54 1

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