Sunday
November 23, 2014

Homework Help: probability

Posted by Tonya on Friday, February 8, 2013 at 9:18pm.

An internal study by the Technology Services department at Lahey Electronics revealed company employees receive an average of 6.4 emails per hour. Assume the arrival of these emails is approximated by the Poisson distribution.

(a)
What is the probability Linda Lahey, company president, received exactly 1 email between 4 P.M. and 5 P.M. yesterday? (Round your answer to 4 decimal places.)


(b)
What is the probability she received 8 or more emails during the same period? (Round your answer to 4 decimal places.)



(c)
What is the probability she received four or less emails during the period? (Round your answer to 4 decimal places.)

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Statistics - 1. Use the following to answer questions: The table below presents ...
math - The table shows the total number of emails that the Wright family ...
Math - The table shows the total number of emails that the Wright family ...
Math - The table shows the total number of emails that the Wright family ...
java programing - If you were writing a program application that was harvesting...
business statistics - store manager is doing a study on how to staff his ...
Statistics - A professor receives, on average, 8 emails from students on the day...
jghjkl - ABC Company has 1,000 employees and wants to increase employee ...
Math - My-law is a recent start-up trying to cater to customers in search of ...
math - Dave sent five emails every 6 minutes for 30 minutes. Lee sent 4 emails ...

Search
Members