SOLUTION: Below shows the blood types of randomly chosen people in the US. If a person is chosen at random, use the chart to find the following. ----------- --A---------B----------AB--

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Question 1008142: Below shows the blood types of randomly chosen people in the US. If a person is chosen at random, use the chart to find the following.

--------------A---------B----------AB--------------O
positive----110-------25----------10-------------130
negative----30--------10-----------5---------------20



a) P(negative & B)

b) P(negative | B)
c) P(B | negative)
d) P(A)
e) P(A & positive)
f) P(A or O)
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
If a person is chosen at random, use the chart to find the following.
--------------A---------B----------AB--------------O---Total
positive----110-------25----------10-------------130.... 275
negative----30--------10-----------5---------------20... 65
Total.......140.......35..........15.............150.... 340

a) P(negative & B) = 10/340
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b) P(negative | B) = 10/35
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c) P(B | negative) = 10/65
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d) P(A) = 140/340
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e) P(A & positive) = 110/340
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f) P(A or O) = (140+150)/340 = 290/340
------------
Cheers,
Stan H.
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