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Unformatted text preview: Answers: MGT 2.250 — Quiz #5 — 2 Sides
June 23, 2011 See following pages 1) A telemarketing ﬁrm has determined that on average 35% of people they
call will allow the caller to complete the sales pitch. Given this: a) b) d) 1) What is the probability that 3 of the next 6 people called will allow the
caller to complete the sales pitch? \ ' What is the probability that 2 of the next 6 people called will allow the
caller to complete the sales pitch? What is the probability that 0 of the next 6 people called will allow the
caller to complete the sales pitch? What is the probability that more than 3 of the next 6 people called
will allow the caller to complete the sales pitch? What is the expected value of this distribution. What is the standard deviation of this distribution. 2) What are the four (4) assumptions that must be met for a probability
distribution to qualify as a binomial distribution? C} a) A series of “n” identical trials. b) Two (2) and only 2 possible outcomes at each trial — “Success” ('8) or
“Failure” (F). MS} and HF) must remain constant from trial to trial. d) Trials must be independent. .mw‘ x Answers: 3 There are 9 students in a graduate studies program, and 4 of them are women. Five
(5) students are to be randomly chosen to attend a summerprogram in Europe. a) What is the probability that three (3) of the students chosen will be men? A Nrﬂ/
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III/m b) W’hat is the probability that m ( its. at least I) of the students chosen win he ‘VOHIM/ "* L/ 5) w 0%
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 Summer '08
 Milne
 Normal Distribution

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