Question 2. Faults in an electrical cable are known to occur on average once per 2 km of cable. a) Find the expected num

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Question 2. Faults in an electrical cable are known to occur on average once per 2 km of cable. a) Find the expected num

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Question 2. Faults in an electrical cable are known to occur on
average once per 2 km of cable.
a) Find the expected number of faults in a 3700 m drum of
cable.
b) Calculate the probability that in a 800 m drum of cable
(i) there is no fault
(ii) there are exactly three faults
(iii) There are fewer than two faults.
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