Answer to Question #86169 in Statistics and Probability for kr

Question

3. (a) A fertilizer company distributes its products by trucks loaded at its only loading station. Both company trucks and contractor's trucks are used for this purpose. If was found that on average every 5 minutes one truck arrived and the average loading time was 3 minutes. 40% of the trucks belong to the contractors. Determine
(i) The probability that a truck has to wait. (2 marks)
(ii) The waiting time of a truck that waits. (1 mark)
(iii) The expected waiting time of contractor's trucks per day. (2 marks)
(b) . A Project has the following characteristics

Answer 1

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