Complaints about an Internet brokerage firm occur at a rate of 3 per day. The number of complaints appears to be Poisson

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answerhappygod
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Complaints about an Internet brokerage firm occur at a rate of 3 per day. The number of complaints appears to be Poisson

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Complaints about an Internet brokerage firm occur at a rate of 3per day. The number of complaints appears to be Poissondistributed. A. Find the probability that the firm receives 1 ormore complaints in a day.
Probability =
B. Find the probability that the firm receives 18 or morecomplaints in a 5-day period.
Probability =
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