Arrivals to a Bank Automated Teller Machine (ATM) Are Distributed

question 68

Multiple Choice

Arrivals to a bank automated teller machine (ATM) are distributed according to a Poisson distribution with a mean equal to three per 15 minutes.Determine the probability that in a given 15- minute segment no customers will arrive at the ATM.

• A) 0.0124
• B) 0.0281
• C) 0.0314
• D) 0.0498

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