Page 46 - EBOOK RISK MANAGEMENT

4.4 Tutorial Questions 4

1) Given that car thefts that happen at shopping mall randomly in a week are

mutually exclusive. What is the probability of car theft will happen on Tuesday

or Saturday?
a. P (Tuesday ∪ Saturday)

b. P (Tuesday ∩ Saturday)

2) The probability of City A flooded after heavy rain is 35% while City B is 51%.

Given that probability of either City A or City B flooded is 64%, what is
probability of both cities flooded at the same time?

a. 0.42
b. 0.22

c. 0.62

d. 0.52

3) In case of house robbery, the probability of one getting injured is 0.37, loss

their belonging is 0.81 and suffered for both is 0.36. If a house was robbed at
one night, what is the probability that the house owner will get injured or loss

the belonging?
a. 0.12

b. 0.18

c. 0.82
d. 0.80

Out of 72 cases of crane fatalities, 30 death reported to be caused by struck by

falling object and 5 death reported to be caught in or compressed by equipment

or objects. Find probability of:
4) Fatal crane incident by another causes

a. 0.61

b. 0.41
c. 0.31

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