Hi Here's the question: The pdf p for the total waiting time for two buses is given by (1/25)x 0 ≤ x < 5 F(X) = (2/5) – (1/25)x 5 ≤ x < 10 0 otherwise Find the 90th percentile and the expected waiting time for any of the two buses.
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F(A) = 0.90 Solve for 'A' Read the definition of pdf and cdf again.
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