The number of requests for assistance received by a towing service is a Poisson process with rate a 4 per hour a Compute the probability that exactly ten requests are received during a particular 2 hour period Round your answer to three decimal places b If the operators of the towing service take a 30 min break for lunch what is the probability that they do not miss any calls for assistance Round your answer to three decimal places c How many calls would you expect during their break You may need to use the appropriate table in the Appendix of Tables to answer this question