Q. "If an organization really wants to impress the readers of its messages, its messages should be formal and should be written in dignified language which displays knowledge." Explain.
Q. It is estimated which .50 percent of the callers to the Customer Service department of Dell Inc. will receive a busy signal.
Illustrate what is the probability which of today's 1,100 callers at least 5 received a busy signal? Use the Poisson approximation to the binomial