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4 on rainy days joe is late to work with probability 5

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Unformatted text preview: and 8 black balls. Urn B contains 8 red and 2 black balls. If a ball is randomly chosen from each urn what is the probability that they will be the same color. 4. On rainy days, Joe is late to work with probability .5; on non ­rainy days, he is late to work with probability .1. With probability .6 it will rain tomorrow. a. Find the probability that Joe is early tomorrow. b. Given that Joe is early what is the conditional probability that it rained. 5. Show from our...
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This document was uploaded on 03/24/2014 for the course MAT 681 at Lehman College.

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