Decide which probability distribution binomial, geometric, or Poisson applies to the question. You do nto need to answer the question. Instead justify your choice.
Telephone Sales: Assume the probability that you will make a sale on any given telephone call is 0.19. Find the probability that you (a) make your first sale on the fifth call, (b) make your first sale on the first, second, or third call, and (c) do not make a slae on the first three calls.