The Average (Or Expected) Time It Takes to Complete a Purchase

question 119

Multiple Choice

The average (or expected) time it takes to complete a purchase at Trippler.com is 45 seconds.All the conditions for a Poisson distribution are met.Use the exponential distribution to determine the probability that it will take less than 30 seconds to complete your next Trippler.com purchase.

• A).3413
• B).3986
• C).4857
• D).4632
• E).4312

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