The amount of time you have to wait for a certain bus described by an exponential random variable with mean 15 (minutes). What is the conditional probability that you have to wait at least 10 additional minutes given that you have already waited 10 minutes? e-2/3 O1- e-1/3 O1-e-10/15 -150

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A: Note- As you asked only part C, so I am answering that part only.