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Question: during lunch at the daily grind the customer arrival rate...

Question details

During lunch at The Daily Grind, the customer arrival rate is Poisson distributed with λ = 10 customers per hour. Find the probability of occurrence during an hour of each of the following events:

a. Exactly 7 customers arrive.

b. At most 7 customers arrive.

c. Between 3 and 7 customers (inclusive) arrive.

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