An internal study by the technology services department at lahey electronics revealed company employees receive an average of "2.7" 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 3 non-work-related e-mails between 4 p. m. and 5 p. m. yesterday

0.2205

Step-by-step explanation:

Given : Technology Services department at Lahey Electronics revealed company employees receive an average of "2.7" non-work-related e-mails per hour.

i.e.

If the arrival of these e-mails is approximated by the Poisson distribution.

Then , the required probability is given by :-

Hence, the probability Linda Lahey, company president, received exactly 3 non-work-related e-mails between 4 P.M. and 5 P.M. yesterday =0.2205

a

step-by-step explanation:

for the points! : )