SOLUTION: Emails arrive at the Dean's office at a rate of 4 per minute. What is the probability that the Dean will receive 2 or more emails over the next minute? (Hint: you need to fig

Question 359071: Emails arrive at the Dean's office at a rate of 4 per minute.
What is the probability that the Dean will receive 2 or more emails over the next minute? (Hint: you need to figure out P (x=0) and P(x=1) to get started.)

Answer by jrfrunner(365) (Show Source): You can put this solution on YOUR website!
let = average rate per minute
let X=number of emails received
You need to realize that the situation you are describing follows a Poisson distribution
P(x=a)=
==
given

--
P(x=0)=
P(x=1)=
--
can you finish this?
RELATED QUESTIONS
Calls arrive at a petrol station at the rate of 7 cars per minute. What is the... (answered by oscargut)

An internal study by the Technology Services department at Lahey Electronics revealed... (answered by ewatrrr)

Tickets for an international finals cricket match between Australia and England are very... (answered by lynnlo)

An internal study by the Technology Services department at Lahey Electronics revealed... (answered by stanbon)

Customers arrive at a local ice cream stand at an average rate of 16 per hour. (answered by Boreal)

Automobiles arrive at the Elkhart exit of the Indiana Toll Road at the rate of two per... (answered by Fombitz)

Jimmy and Dean were in a yacht race from Auckland to Suva, a distance of 1200km. Jimmy... (answered by ikleyn)