The University of Hong Kong
Department of Statistics and Actuarial Sciences
STAT1801 Probability and Statistics: Foundations of Actuarial Sciences (1011)
Example Class 1
Tutor: Mr. Ryan H.L. IP
Tel. No.: 28591920
Office: Room 515, Meng Wah Complex
Consultation hour: WED 3:00pm – 4:00 pm ; THU 2:00pm – 4:00pm.
Email:
[email protected]
Example 1
In how many ways can 8 people be seated in a row if
(a) There are no restrictions on the seating arrangement;
(b) Persons A and B must sit next to each other;
(c) There are 4 men and 4 women and no 2 men or 2 women can sit next to each other;
(d) There are 5 men and they must sit next to each other;
(e) There are 4 married couples and each couple must sit together?
Example 2
If five cards are drawn from a wellshuffled deck of 52 standard playing cards, what are the
probabilities of getting
(a) Straight flush;
(b) Full house;
(c) Straight;
(d) Three of a kind?
Example 3
In a certain resident suburb, 60% of all households subscribe to the metropolitan newspaper
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 Fall '10
 MrChung
 Statistics, Probability, Actuarial sciences, Meng Wah Complex, Statistics and Actuarial Sciences

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