In small-town, there are three different types of weather conditions: a sunny day, rainy day, and windy day. A sunny day never happens two days in a row. If it is a sunny day, it is as likely to have a rainy day or windy day the next day. If it is a windy day or rainy day, it has an even chance of having the same conditions the next day. For the other 50%, it is two times more likely to have a bad weather condition than a sunny day.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.8: Probabilities Of Disjoint And Overlapping Events
Problem 2C
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  1. In small-town, there are three different types of weather conditions: a sunny day, rainy day, and windy day. A sunny day never happens two days in a row. If it is a sunny day, it is as likely to have a rainy day or windy day the next day. If it is a windy day or rainy day, it has an even chance of having the same conditions the next day. For the other 50%, it is two times more likely to have a bad weather condition than a sunny day.

 

  1. Draw a transition diagram.
  2. Is it an ergodic Markov chain (support your answer)?
  3. Obtain a transition probability matrix.
  4. What is the probability of having a sunny day 2 days from now, if today is a rainy day (Calculate without using matrix multiplication, hint: calculate just the needed value or matrix element)?
  5. What is the probability of having sunny 4 days from now, if today is a rainy day?
  6. What is the probability of having a rainy day 3 days from now if today is a windy day?
  7. Obtain the mean first passage time for all states.
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