Assume that the number of customers who arrive at a water ice stand follows the Poisson distribution with an average rate of 6.4 per 30 minutes. What is the probability that three or four customers will arrive during the next 30 minutes?
A)0.2365
B)0.2884
C)0.1888
D)0.3517

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The Answer of Assume that the number of customers who arrive at a water ice stand follows the Poisson distribution with an average rate of 6.4 per 30 minutes. What is the probability that three or four customers will arrive during the next 30 minutes?
A)0.2365
B)0.2884
C)0.1888
D)0.3517

Assume That the Number of Customers Who Arrive at a Water