Data for the progression of college students at a St. Joseph College are summarized in the following matrix of transition probabilities: States Graduate Drop out Freshman Sophomore Junior Senior Graduate 1 0 0 0 0 0 Drop out 0 1 0 0 0 0 Freshman 0 0.15 0.10 0.75 0 0 Sophomore 0 0.15 0 0.05 0.80 0 Junior 0 0.10 0 0 0.10 0.8 Senior 0.8 0.05 0 0 0 0.15 a. What states are absorbing states? b. Interpret the transition probabilities for a sophomore.

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
Section12.3: Conditional Probability; Independent Events; Bayes' Theorem
Problem 42E
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Data for the progression of college students at a St. Joseph College are summarized in the following matrix of transition probabilities:

States Graduate Drop out Freshman Sophomore Junior Senior

Graduate

1 0 0 0 0 0
Drop out 0 1 0 0 0 0
Freshman 0 0.15 0.10 0.75 0 0
Sophomore 0 0.15 0 0.05 0.80 0
Junior 0 0.10 0 0 0.10 0.8
Senior 0.8 0.05 0 0 0 0.15

a. What states are absorbing states?

b. Interpret the transition probabilities for a sophomore.

c. Compute the probabilities that a sophomore will graduate and that a sophomore will drop out.

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