At a telephone enquiry system the number of phone calls regarding relevant enquiry follow Poisson distribution with an average of 5 phone cells during 10 - minute time intervals . The probability that there is at the most one phone call during a 10 - minute time period is :

Options

A. `(6)/(5^e)`
B. `(5)/(6)`
C. `(6)/(55)`
D. `(6)/(e^5)`

Answer

D