1.9+n
2.10+6
3.2+10
4.17
5.3+3
6.-3+n
The correct answer is C. -3/2
Then mark it down by less then 1%, of by whatever the number would be.
Answer:
0.0821
Step-by-step explanation:
If the arrival rate is 50 customers per hour (60 minutes), then the expected number of customers in 3 minutes is:

Assuming a Poisson distribution with 2.5 customers per 3 minutes, the probability that zero customers arrive for 3 minutes is:

The probability that the bank stays empty for three minutes is 0.0821.
Hi I’m doing this for points