When an opinion poll calls residential telephone numbers at…

Written by Anonymous on May 31, 2026 in Uncategorized with no comments.

Questions

When аn оpiniоn pоll cаlls residentiаl telephone numbers at random, only 40% of the calls reach a live person.  You watch the random dialing machine make 9 calls.  a) Is this a binomial distribution? [BLANK-1]   b) State p [BLANK-2] and n [BLANK-3].  c)  What is the probability that exactly 5 calls reach a person?[BLANK-4] (Round to 3 decimal places.) d)  What is the probability that less than 6 calls reach a person?[BLANK-5] e)  What is the mean? [BLANK-6] f) What is the standard deviation?[BLANK-7] (Round to 3 decimal places.)

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