I will give brainliest to whoever helps me with this question. Also, if you could please explain to me how you solved it I would
appreciate it! (this is Pythagorean Theorem if your wondering).
2 answers:
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Step-by-step explanation:
since Poisson distribution parameter is not given so we have to estimate it from the sample data. The average number of of arrivals per minute at an ATM is
So probabaility for is
So expected frequency for is
(or
.