Complaints about an Internet brokerage firm occur at a rate of 1.1 per day. The number of complaints appears to be Poisson distributed. Find the probability that the firm receives more than 4 complaints in a 3-day period. Round all final answers to 1 decimal place and express answers in percent form (i.e. 30.0% instead of 0.3) (a) What is the probability of receiving 0 complaints in a 3-day period? (b) What is the probability of receiving 1 complaint in a 3-day period? (c) What is the probability of receiving 2 complaints in a 3-day period? (d) What is the probability of receiving 3 complaints in a 3-day period? (e) What is the probability of receiving 4 complaints in a 3-day period? (f) What is the probability of receiving less than or equal to 4 complaints in a 3-day period? (g) What is the probability of receiving more than 4 complaints in a 3-day period?

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Author:Amos Gilat
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Complaints about an Internet brokerage firm occur at a rate of 1.1 per day. The number of complaints
appears to be Poisson distributed. Find the probability that the firm receives more than 4 complaints in a
3-day period.
Round all final answers to 1 decimal place and express answers in percent form (i.e. 30.0 % instead of
0.3)
(a) What is the probability of receiving 0 complaints in a 3-day period?
(b) What is the probability of receiving 1 complaint in a 3-day period?
(c) What is the probability of receiving 2 complaints in a 3-day period?
(d) What is the probability of receiving 3 complaints in a 3-day period?
(e) What is the probability of receiving 4 complaints in a 3-day period?
(f) What is the probability of receiving less than or equal to 4 complaints in a 3-day period?
(g) What is the probability of receiving more than 4 complaints in a 3-day period?
Transcribed Image Text:Complaints about an Internet brokerage firm occur at a rate of 1.1 per day. The number of complaints appears to be Poisson distributed. Find the probability that the firm receives more than 4 complaints in a 3-day period. Round all final answers to 1 decimal place and express answers in percent form (i.e. 30.0 % instead of 0.3) (a) What is the probability of receiving 0 complaints in a 3-day period? (b) What is the probability of receiving 1 complaint in a 3-day period? (c) What is the probability of receiving 2 complaints in a 3-day period? (d) What is the probability of receiving 3 complaints in a 3-day period? (e) What is the probability of receiving 4 complaints in a 3-day period? (f) What is the probability of receiving less than or equal to 4 complaints in a 3-day period? (g) What is the probability of receiving more than 4 complaints in a 3-day period?
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