2. In a different warehouse, book orders are handled by two members of staff, A and B, who take turns to pack each orders as it arrives (this is a non-random alternation). Assume orders arrive as a Poisson process with rate A per hour, that A packs the first order, and that orders are packed instantaneously. Let NA(t) be the number of orders packed by A by time t, and let X₁, X₂.... be the inter-arrival times for the process {NA(t)}. (a) What is the probability distribution for X,? Hint: relate the X, to the times between orders. (b) Is (NA(t)) a Poisson process? Explain your reasoning.

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2. In a different warehouse, book orders are handled by two members of staff, A and B, who take
turns to pack each orders as it arrives (this is a non-random alternation). Assume orders arrive
as a Poisson process with rate A per hour, that A packs the first order, and that orders are
packed instantaneously.
Let NA(t) be the number of orders packed by A by time t, and let X₁, X2.... be the inter-arrival
times for the process (NA()).
(a) What is the probability distribution for X.?
Hint: relate the X, to the times between orders.
(b) Is (NA(t)) a Poisson process? Explain your reasoning.
Transcribed Image Text:2. In a different warehouse, book orders are handled by two members of staff, A and B, who take turns to pack each orders as it arrives (this is a non-random alternation). Assume orders arrive as a Poisson process with rate A per hour, that A packs the first order, and that orders are packed instantaneously. Let NA(t) be the number of orders packed by A by time t, and let X₁, X2.... be the inter-arrival times for the process (NA()). (a) What is the probability distribution for X.? Hint: relate the X, to the times between orders. (b) Is (NA(t)) a Poisson process? Explain your reasoning.
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