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What is probability of encountering a person of type a blood

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Reference no: EM131240665

a) What is the probability of encountering a person of type A blood?

b) What is the probability of encountering a person who has either type A or type AB blood?

Blood type

frequency

Relative frequency

Cumulative frequency

O

2672

0.49

2672

A

2041

0.37

4713

B

486

0.09

5199

AB

201

0.03

5400

Reference no: EM131240665

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