Suppose a groundhog jumps out of its hole (within a 1-minute interval) with probability 0.2 and goes back inside (within a 1-minute interval) with probability 0.4. If the groundhog starts out inside the hole, answer the following questions. (a) Let pt be the probability the groundhog is inside the hole after t minutes. Compute pt+1 in terms of pt. (b) Find the probability the groundhog is outside after two minutes have passed. (c) Find the long-run probability that the groundhog is inside, that is the equilibrium of the system.

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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Suppose a groundhog jumps out of its hole
(within a 1-minute interval) with probability 0.2
and goes back inside (within a 1-minute
interval) with probability 0.4. If the groundhog
starts out inside the hole, answer the
following questions.
(a) Let pt be the probability the groundhog is
inside the hole after t minutes. Compute pt+1
in terms of pt.
(b) Find the probability the groundhog is
outside after two minutes have passed.
(c) Find the long-run probability that the
groundhog is inside, that is the equilibrium of
the system.
Transcribed Image Text:Suppose a groundhog jumps out of its hole (within a 1-minute interval) with probability 0.2 and goes back inside (within a 1-minute interval) with probability 0.4. If the groundhog starts out inside the hole, answer the following questions. (a) Let pt be the probability the groundhog is inside the hole after t minutes. Compute pt+1 in terms of pt. (b) Find the probability the groundhog is outside after two minutes have passed. (c) Find the long-run probability that the groundhog is inside, that is the equilibrium of the system.
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