You have read 200 of the 400 novels in your home, but your sister Roslyn has read 100, of which only 100 are novels you have read as well. E is the event that a novel has been read by neither you nor your sister.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.8: Probabilities Of Disjoint And Overlapping Events
Problem 2C
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You have read 200 of the 400 novels in your home, but your sister Roslyn has read 100, of which only 100 are novels you have read as well. E is the event that a novel has been read by neither you nor your sister.

Find the conditional probability of the indicated event when two fair dice (one red and one green) are rolled. HINT [See Example 1.]

The sum is 4, given that the green one is either 3 or 2. 

 

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