Answer:
a
Step-by-step explanation:
Answer:
You have to eat it all fast
Step-by-step explanation:
There is not real question here
Answer:
so? what is the acctual question ??
Step-by-step explanation:
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
.