I need help with these ASAP, the assignment is due today and plz explain.

On saturday morning, calls arrive at ticketmaster at a rate of 108 calls per hour. what is the probability of fewer than three calls in a randomly chosen minute?

Asequence is defined recursively using the formula f(n + 1) =f(n) - 5. which sequence could be

The function models the number of accidents per 50 million miles driven as a function