Busıness Decısıon Models Deneme Sınavı Sorusu #1378990
The following matrix presents a weather prediction model. The model has four states and the names of states are a=cloudy, b=rainy, c=snowy, d=sunny.
According to matrix, which of following is a true explanation?
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The probability of being a rainy day after a snowy day is 0.3. |
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The probability of being a rainy day after a cloudy day is less than the probability of being a sunny day after a rainy day. |
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The probability of being a sunny day after a snowy day is more than the probability of being a snowy day after a sunny day. |
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The probability of being a rainy day after a snowy day is more than the probability of being a snowy day after a rainy day. |
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The probability of being a cloudy day after a snowy day is 0.2. |
Option A is wrong: The probability of being a rainy day after a snowy day is 0.5.
Option B is wrong: The probability of being a rainy day after a cloudy day is more than the probability of being a sunny day after a rainy day.
Option C is wrong: The probability of being a sunny day after a snowy day is less than the probability of being a snowy day after a sunny day.
Option D is true: The probability of being a rainy day after a snowy day is more than the probability of being a snowy day after a rainy day.
Option E is wrong: The probability of being a cloudy day after a snowy day is 0.3.
The answer is D.
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