OpenStax, Introductory Statistics 2e §4.6 Poisson Distribution · Exercise 5 · Probability · Discrete distributions
Poisson Distribution · Exercise 5
On average, a clothing store gets 120 customers per day.
What is the probability that the store will have more than 12 customers in the first hour?
Its source prints no answer for this problem, so there's nothing to check against.
OpenStax, Introductory Statistics 2e · §4.6 Poisson Distribution · Exercise 5
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