The probability of a customer arrival at a grocery service counter in any one second is
Chapter 3, Problem 3.75(choose chapter or problem)
The probability of a customer arrival at a grocery service counter in any one second is equal to .1. Assume that customers arrive in a random stream and hence that an arrival in any one second is independent of all others. Find the probability that the first arrival a will occur during the third one-second interval. b will not occur until at least the third one-second interval.
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