Exam P Example II
Jaime R. SandovalCandidate ActuaryActuary Science
June 25, 2015
2. The probability that a visit to a primary care physicians
(PCP) of-fice results in neither lab work nor referral to a
specialist is 35%. Of thosecoming to a PCPs office, 20% are
referred to specialists and 40% requirelab work.Determine the
probability that a visit to a PCPs office results in both labwork
and referral to a specialist.
Solution
U
S L
The shaded area is the 35%
U
S L
20% referred to specialist
U
S L
40% require lab work
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