An inventory study determines that, on average, demands for a particular item at a warehouse are made 2.1 times per day. Find the probability that on a given three-day period this item is requested at most 4 times. Use the formula of the Poisson distribution. Please use the proper notation (e.g., write P(X ≥ a), P(X < b), etc.)

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter12: Probability
Section12.4: Discrete Random Variables; Applications To Decision Making
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An inventory study determines that, on average, demands for a particular item at a warehouse are made 2.1 times per day. Find the probability that on a given three-day period this item is requested at most 4 times.

Use the formula of the Poisson distribution. Please use the proper notation (e.g., write P(X ≥ a), P(X < b), etc.)

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