Assume that 65% of the geology student going for the geological fieldwork study the field rock classification identification chart. However, unfortunately, only 75 % of these can identify all the rocks. But 10% of those who do not study the chart and rely only on class lectures can identify all the rocks. What is the probability that someone who can identify all the rocks studies the chart?

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Assume that 65% of the geology student going for the geological fieldwork study the field rock classification identification chart. However, unfortunately, only 75 % of these can identify all the rocks. But 10% of those who do not study the chart and rely only on class lectures can identify all the rocks. What is the probability that someone who can identify all the rocks studies the chart?

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