Question

An internal study by the Technology Services department at Lahey Electronics revealed company employees receive an average of 6.0 non-work-related e-mails per hour. Assume the arrival of these e-mails 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?
b. What is the probability she received 5 or more emails during the same period?
c. What is the probability she did not receive any emails during the period?

Answer 1

Answer:

B.

Explanation:

measure of how many times an event is likely to occur within "X" period of time. the closest answer is letter B. Example if the fastfood had an average of 500 customer every Wednesday what is the probability that 700 customers will come every Wednesday?.