Historically 5 percent of a mail order firm s repeat charge account customers
Historically, 5 percent of a mail-order firm's repeat charge-account customers have an incorrect current address in the firm's computer database.
(a) What is the probability that none of the next 12 repeat customers who call will have an incorrect address?
(b) One customer?
(c) Two customers?
(d) Fewer than three?
(e) Construct the probability distribution (using Excel or Appendix A), make a graph of its PDF, and describe its shape.
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