One prominent physician claims that 70% of those with lung cancer are chain smokers. If his assertion
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One prominent physician claims that 70% of those with lung cancer are chain smokers. If his assertion is correct,
(a) Find the: probability that of 10 such patients recently admitted to a hospital, fewer than half are chain smokers:
(b) Find the probability that of 20 such patients recently admitted to a hospital, fewer than half are chain smokers.
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