Suppose that a Covid-19 testing centre receives two phones calls, on average, per minute concerning test results. Required: c) What is the probability that more zero but less than four phone calls...

Suppose that a Covid-19 testing centre receives two phones calls, on average, per minute concerning test results.
Required:


c) What is the probability that more zero but less than four phone calls regarding test results are received in any given period of two minutes?
d) What is the probability that more than one phone calls regarding test results are received in any given period of three minutes?
e) What is the probability that no phone calls regarding test results are received in any given period of one minute?