A vasectomy is 99.97% effective, with pregnancy occuring extremely rarely after the 3 month wait period, once the procedure is complete. A doctor claims to have performed 8,303 vasectomies in his career. (Round to 2 decimal places)
a) What is the likelyhood that at least one of the vasectomies performed was not effective? (Answer in Percent)
nothing%
b) What is the Expected Number of failed vasectomies performed by the doctor?
8300.51
c) What is the Expected Number of vasectomies performed before a patient returns complaining that his was not effective?
nothing
d) Find the probability that 0 of his patients had a failed vasectomy. (Answer in Percent)
nothing%
e) Find the probability that the 2nd person he performed a vasectomy on was the first person on which he performed it successfully. (Answer in Percent)
nothing%