The survey was conducted to study the blood types of 150 people as shown in the figure above. If a person from this study is selected at random, what is the probability that this person has either Type A or Type AB blood?
A
62150
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B
66150
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C
68150
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D
73150
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E
84150
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Solution
The correct option is D73150 Total no of people =150
No. of person having blood group type A =67
No. of person having blood group type AB =6
Total no. of people having blood group type A or type AB =67+6=73
∴ probability of the person has either Type A or AB blood =73150.