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marigirl
 one year ago
A man writes letters to one of two newspapers: the Argus and the Beacon. If a newspaper publishes one of his letters he sends the next one to the same newspaper; if not, he tries the other newspaper next time. The probablility that the Argus published one of his letters is 0.6 whereas for the Beacon it is 0.75. If he tosses a fair coin to decide where to send his first letter, calculate the probability that the third letter is send to Argus and his fourth letter send to Beacon.
marigirl
 one year ago
A man writes letters to one of two newspapers: the Argus and the Beacon. If a newspaper publishes one of his letters he sends the next one to the same newspaper; if not, he tries the other newspaper next time. The probablility that the Argus published one of his letters is 0.6 whereas for the Beacon it is 0.75. If he tosses a fair coin to decide where to send his first letter, calculate the probability that the third letter is send to Argus and his fourth letter send to Beacon.

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amilapsn
 one year ago
Best ResponseYou've already chosen the best response.0draw a probability tree

marigirl
 one year ago
Best ResponseYou've already chosen the best response.0Can someone please help me start the tree diagram off
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