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Mathematics, 29.10.2019 04:31 dogsrdabest

As a simplified model for weather forecasting, suppose that the weather (either wet or dry) tomorrow will be the same as the weather today with probability p. show that the weather is dry on january 1, then

pn

, the probability that it will be dry n days layer, satisfies

pn=(2pāˆ’1)pnāˆ’1+(1āˆ’p)nā‰„1

p0=1

prove that

pn=1/2+1/2(2pāˆ’1)nnā‰„0

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As a simplified model for weather forecasting, suppose that the weather (either wet or dry) tomorrow...
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