FoundationNumeric answer
Two-state weather desk · Part 1 of 3
A desk models each day as Clear or Storm. After Clear, tomorrow is Clear with probability 0.8 and Storm with probability 0.2. After Storm, tomorrow is Clear with probability 0.5 and Storm with probability 0.5. The transition probabilities stay the same each day.
Today is Clear. What is the probability that the weather is Clear exactly two days from now?
Answer with a number. Fractions, powers and expressions like 23/6 or C(52,5) are read correctly in practice.
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