Judy Jones purchases groceries and pop exactly once each week on Sunday evenings. She buys either Coke or Pepsi only and switches from Coke to Pepsi and vice-versa somewhat regularly. Her purchasing behavior of these two drinks is modeled as a Markov system. Let the transition matrix be:

If in Week \#7, Judy has purchased Coke, what is the probability that she would purchase Pepsi in Week $\# 9$ ?
A) 0.21
B) 0.39
C) 0.18
D) cannot tell without her purchase behavior in Weeks 1-6

Question

Judy Jones purchases groceries and pop exactly once each week on Sunday evenings. She buys either Coke or Pepsi only and switches from Coke to Pepsi and vice-versa somewhat regularly. Her purchasing behavior of these two drinks is modeled as a Markov system. Let the transition matrix be:

If in Week \#7, Judy has purchased Coke, what is the probability that she would purchase Pepsi in Week $\# 9$ ?
A) 0.21 
B) 0.39 
C) 0.18 
D) cannot tell without her purchase behavior in Weeks 1-6

Quizplus · Accepted Answer

The Answer of Judy Jones purchases groceries and pop exactly once each week on Sunday evenings. She buys either Coke or Pepsi only and switches from Coke to Pepsi and vice-versa somewhat regularly. Her purchasing behavior of these two drinks is modeled as a Markov system. Let the transition matrix be:

If in Week \#7, Judy has purchased Coke, what is the probability that she would purchase Pepsi in Week $\# 9$ ?
A) 0.21 
B) 0.39 
C) 0.18 
D) cannot tell without her purchase behavior in Weeks 1-6

Judy Jones Purchases Groceries and Pop Exactly Once Each Week #9\# 9#9

Judy Jones Purchases Groceries and Pop Exactly Once Each Week $\# 9$