Complaints about an Internet brokerage firm occur at a rate of 1.4 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 less than or equal to 4 complaints in a 3-day period? (b) What is the probability of receiving more than 4 complaints in a 3-day period?

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