Shown in the following table are the reported annual deaths of males aged 75 or
ID: 3156168 • Letter: S
Question
Shown in the following table are the reported annual deaths of males aged 75 or over from 1 of the 5 leading types of cancer:
Site of Cancer
Number of Deaths
Lung
Prostate
Colon or Rectum
Stomach
Pancreas
12,129
10,036
8,115
3,135
3,000
36,415
For a randomly selected deceased male cancer victim, what is the probability that
a)he died of lung or prostate?
b)He died of cancer of either the stomach or the pancreas?
c)He did not die of lung cancer?
Site of Cancer
Number of Deaths
Lung
Prostate
Colon or Rectum
Stomach
Pancreas
12,129
10,036
8,115
3,135
3,000
36,415
Explanation / Answer
a)he died of lung or prostate?
From the table,
P(L U Pros) = (12129 + 10036)/36145 = 0.613224512 [ANSWER]
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b)He died of cancer of either the stomach or the pancreas?
From the table,
P(S U Pan) = (3135+3000)/36415 = 0.16847453 [ANSWER]
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c)He did not die of lung cancer?
From the table,
P(L') = 1 - P(L) = 1 - 12129/36415 = 0.666922971 [ANSWER]
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