Gina wants ride the waves at flagship pier in galveston, so she rents rents a surfboard for 5 per hour plus an initial, or beginning, payment if 20. for how many hours can gina rent a surfboard if she has 90?

Margie is practicing for an upcoming tennis tournament. her first serve is good 20 out of 30 times on average. margie wants to know the estimated probability that her first serve will be good at least four of the next six times she serves. how could she design a simulation for this scenario?