The Covid Testing center becomes less crowded during the summer vacation. Since June, the expected number of visitors to get tests has been 14 per week. Calculate the probability of the following scenarios.

a) The testing center had no visitors on a particular day (Use a formula)

b) The testing center had over 3 visitors on a particular day. (Use table)

c) The testing center had less than 5 visitors in a particular week. (Use table)