2.99
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The medical records of the male diabetic patients reporting to a clinic during one year provide the following percentages.

Suppose a patient is chosen at random from this group, and the events A , B, and C are defined as follows.

A = [ He has a serious case ]

B = [ He is below 40 ]

C = [ His parents are diabetic ]

(a) Find the probabilities P( A), P ( B ), P( BC ), P( ABC ).

(b) Describe the following events verbally and find their probabilities: (i) A¯B¯ (ii) A¯ U C¯ (iii) A¯BC¯.